53237

Appears in sequences

• Numerators of continued fraction convergents to sqrt(916).at n=8A042770
• Brilliant numbers such that when they are concatenated with their 10's complement, which also must be brilliant, the result is a prime.at n=5A084629
• a(n) = least semiprime with factors not previously used containing integers 2n and 2n+1 as substrings.at n=19A086887