62

This number is a composite.

62 = 14 + 15 + 16 + the prime number 17. [Phillips]

One of only two numbers which contain exactly the first three digits in its unique prime factorization. [Hunter]

The largest known even number that cannot be expressed as the sum of two odd semiprimes. The sum of the prime factors of this semiprime gives the largest known number that cannot be expressed as the sum of two semiprimes. [Capelle]

The only double-digit number n such that 3^n-R(n) is prime where R(n) is the reversal of n, i.e., 3^62-26 = 381520424476945831628649898783. [Loungrides]

The number of emirps that can appear on a 24-hour digital clock (00:00 up to 23:59). [Gupta]