1433

This number is a prime.

The prime 1433 is intimately linked to 3, because 3^9 = 19683. 3^9 reversed is 38691 = 3^3 * 1433. Hence we have [3^(3 * 3) reversed]/(3^3) = 1433, which also ends in two 3's. [Post]

The smallest Honaker prime with a prime subscript (227). Note the prime sums of digits. [Beedassy]

The sum of primes between the 3rd and 4th Mersenne primes, i.e., 37 + 41 + 43 + ... + 113 = 1433. [Elvetici]

There are only two Honaker primes, 1433 and 6737, whose squares have no duplicate digits. Their concatenations, 14336737 and 67371433, are both prime numbers. [Gaydos]

President Trump's inaugural address contained 1433 words.