43

This number is a prime.

Just showing those entries submitted by 'Silva': (Click here to show all)

The sum of digits of 43^(4+3) is 43. [Silva]

The only prime of the form p^4 + q^3, where p and q are consecutive primes. [Silva]

Can you see the three consecutive primes in 43=4*7+5*3? [Silva]