Number Thirteen
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YouTubeKandi Brian
Number Thirteen
Number Thirteen in Decimal, Hex, and Binary Thirteen is the smallest emirp — a prime that becomes a different prime when its digits are reversed. Reverse 13 and you get 31, which is also prime, and crucially it's a new number rather than a palindrome. (Primes like 11 don't count because reversing them gives the same number back.) This makes ...
1 views1 day ago
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