90989

Properties

Appears in sequences

• Emirps starting and ending with composite digit 9.at n=16A128374
• Smallest emirp corresponding to the prime of A178583.at n=23A178584
• Primes 10k + 9 at the end of the maximal gaps in A269261.at n=9A269263
• Numbers n such that 17^n is the highest power of 17 dividing A240751(n).at n=6A286008
• Primes where every other digit is 9 starting with the rightmost digit, and no other digit is 9.at n=25A348561
• Primes having only {0, 8, 9} as digits.at n=14A385772
• Prime numbersat n=8801