140767

Appears in sequences

• Quasi-Carmichael numbers to base 7: squarefree composites n such that (n,2*3*5) = 1 and prime p|n ==> p-7|n-7.at n=16A029556
• Starts of runs of 4 consecutive integers that are Jacobsthal-Niven numbers (A364216).at n=19A364219