What is rare numbers?

Rare numbers are the non palindromic numbers when added or subtracted to its reverse gives a perfect square. . For example 65 is a rare number because 65 + 56 = 11¡sup¿2¡/sup¿ and 65 - 56 = 3¡sup¿2¡/sup¿. Other examples of rare numbers are 65, 621770, 281089082, 2022652202, 868591084757, 872546974178 …

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What are stranger numbers?

We define "strange" numbers in the following way: All strange numbers are prime. Every single digit prime number is strange. A number with two or more digits is strange if, and only if, the two numbers obtained from it, by removing either its first or its last digit, are also strange.

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What is the most common number?

24 Most Common Numbers
  • one.
  • two.
  • first.
  • last.
  • three.
  • next.
  • million.
  • four.

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What is strange number for example?

We know that 2, 3, 5, 7 are strange. They are the only 1 digit strange numbers. All 2-digit strange numbers must be made up of these digits and must be prime. An exhaustive search reveals that they are 23, 37, 53, 73 as all other 2-digit numbers with these digits are not prime.

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Is 12 a weird number?

The number 12, for example, is abundant but not weird, because the proper divisors of 12 are 1, 2, 3, 4, and 6, which sum to 16; but 2 + 4 + 6 = 12.

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Comparison: How Rare Are You?

37 related questions found

What is the luckiest number in the world?

The number seven is usually the overwhelming favorite. Why is that? In many cultures around the world, seven is considered a lucky number. This probably explains the affinity many people feel for the number seven.

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Why 73 is the best number?

“The best number is 73,” Cooper explained in the episode. “Why? 73 is the 21st prime number. Its mirror, 37, is the 12th, and its mirror, 21, is the product of multiplying seven and three ... and in binary, 73 is a palindrome, 1001001, which backwards is 1001001.”

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Why is 7 a popular number?

It has had significance in almost every major religion.

In the Old Testament the world was created in six days and God rested on the seventh, creating the basis of the seven-day-week we use to this day. In the New Testament the number seven symbolizes the unity of the four corners of the Earth with the Holy Trinity.

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What is hidden number?

A hidden number can also be known as a 'private number' - or any call that rings through, but does not show the number.

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What is the first weird number?

The first few weird numbers are 70, 836, 4030, 5830, 7192, 7912, 9272, 10430, ... (OEIS A006037). An infinite number of weird numbers are known to exist, and the sequence of weird numbers has positive Schnirelmann density.

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What happens if you call 202 968 6161?

You can call the Nina Project at 202-968-6161. Remember, "Nina" was the name of the isolation tank used by Eleven in the fourth season. Spoiler: This is probably the most boring of the four calls, as you just get a lot of typing and modem noises.

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What does 777 mean?

The angel number 777 is connected to the individual self, said Summers. Unlike others which are more focused on relationships, such as 222, the angel number 777 is about taking time to focus on yourself and to be alone.

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Is 1 a lucky number?

The number 1 in numerology signifies self. And thus, can even make the person a tad bit selfish. On the positive side, indulgence in oneself also boasts a native's maturity and self-awareness. Hence, people born with 1 as their lucky number are usually able to take more mature decisions in life.

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Is 777 a lucky number?

Is 777 lucky? Yes, 777 is considered to be a lucky number. It is seen as a sign from your angels that good things are coming your way and that your dreams have the chance to be manifested. It can also be linked to positive change and spiritual levelling up.

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Is 43 a special number?

43 is the largest natural number that is not an (original) McNugget number. 43 is the smallest prime number expressible as the sum of 2, 3, 4, or 5 different primes: 43 = 41 + 2. 43 = 11 + 13 + 19.

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Why is 37 a special number?

37 is the first irregular prime, and the third isolated prime without a twin prime. It is also the third cuban prime, the fourth emirp, and the fifth lucky prime. 37 is the third star number and the fourth centered hexagonal number. The sum of the squares of the first 37 primes is divisible by 37.

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Why is the number 100 so special?

100 is a perfect square number and its square root is 10. 100 is the basis of percentages ("per cent" meaning "per hundred" in Latin), with 100 percent being a full amount.

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What are 3 lucky numbers?

1, 3, 7, 9, 13, 15, 21, 25, 31, 33, 37, 43, 49, 51, 63, 67, 69, 73, 75, 79, 87, 93, 99, 105, 111, 115, 127, 129, 133, 135, 141, 151, 159, 163, 169, 171, 189, 193, 195, 201, 205, 211, 219, 223, 231, 235, 237, 241, 259, 261, 267, 273, 283, 285, 289, 297, 303, 307, 319, 321, 327, ... (sequence A000959 in the OEIS).

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Is 3 a lucky number in Chinese?

The numbers 2, 3, 6, and 8 are generally considered to be lucky, while 4 is considered unlucky. These traditions are not unique to Chinese culture, with other countries with a history of Han characters also having similar beliefs stemming from these concepts.

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What number is special?

Overview. A number is said to be a special number if the sum of the factorial of the digits in the number is equal to the number itself.

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Why is 17 a weird number?

Seventeen is the only prime number which is the sum of four consecutive primes: 2,3,5,7. Any other four consecutive primes summed would always produce an even number, thereby divisible by 2 and so not prime.

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Is 7 a weird number?

The number 7 is not weird like 13, which many consider to be unlucky, but weird because many people both consider it lucky and tend to choose the number. When people are asked to pick a number from 1 to 10 they aren't actually trying to pick a number, but pick a number you won't expect.

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What does 11 11 time mean?

Since 11:11 signifies a time when the universe is listening to you, you're meant to manifest at this special time. When you're making a wish at 11:11, you're supposed to put all of your desires into this one wish. This means it's crucial that you eliminate any negative thoughts during your manifestation.

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