90373

Properties

Appears in sequences

• Beginning with 3, least member of A007500 such that concatenation of first n terms and its digit reversal both are primes.at n=18A111383
• Primes p of Erdos-Selfridge class 5+ with largest prime factor of p+1 not of class 4+.at n=23A129473
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 1), (-1, 1, -1), (0, 0, 1), (1, 0, -1)}.at n=12A148177
• Prime numbersat n=8750