If you've been spotting the number seven lately, you may be in luck. Whether you've noticed a series of sevens, like 777, or synchronicities involving the digit, you're experiencing what some refer to ...
More than 150 years ago, the economist and philosopher William Stanley Jevons discovered something curious about the number four. While musing about how the mind conceives of numbers, he tossed a ...
There are three kinds of prime numbers. The first is a solitary outlier: 2, the only even prime. After that, half the primes leave a remainder of 1 when divided by 4. The other half leave a remainder ...
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