1033

This number is a prime.

The international locale identifier or LCID (i.e., country-wise assigned language code) for US English data format used by Microsoft computer programs happens to be a prime (emirp) whose octal, hexadecimal, base 32, base 128, base 512 and base 1024 scale representations are all primes as well in base ten: 1033₁₀ = 2011₈ = 409₁₆ = 109₃₂ = 89₁₂₈ = 29₅₁₂ = 19₁₀₂₄. [Beedassy]