255551

Properties

Appears in sequences

• Primes such that the outer 2 digits are n and n-1 and all inner digits are 5, where 0 < n < 9.at n=4A108833
• The number of reachable states in a simple two-player counting game, in which each player starts with the pair (1,1) and one move is to add one of the opponent's numbers to one of your own numbers, but no number can grow above a pre-defined maximum n. The game continues until one of the players has no legal moves left. The winner is the one having the higher sum of his numbers.at n=36A161531
• Primes of the form 3n^3-1.at n=10A200846
• Primes that occur more than once in A373464.at n=17A374694
• Prime numbersat n=22487