6233

6233 = 23 x 271.

6233 is the least number that can be expressed as the sum of a prime number and a nonzero square in just 28 ways (A064283).

6233 is 22112212 in base 3. It is 144413 in base 5 and 14131 in base 8. 6233 is 8485 in base 9.

6233, 623, 62, and 6 are all semiprimes (A085733).

6233 is the number of primes of the form x² + 1 less than 2³³ (A083847).

Source: OEIS