537
537 is a natural number that follows 536 and precedes 538. It is odd and composite.
Its prime factorization is 3 × 179, with 179 prime. As a product of two primes, 537
In different base representations, 537 is 1000011001 in binary, 0x219 in hexadecimal, and 201220 in base 3.
Historically, the year 537 CE marked the completion of the Hagia Sophia in Constantinople after reconstruction