77
This number is a composite.
Single Curio View: (Seek other curios for this number)
There are 77 minimal non-single-digit primes, i.e., primes
with greater than or equal to two digits such that deleting
any number of its digits never gives another prime with
greater than or equal to two digits. [Xayah]
Submitted: 2021-01-24 08:21:07; Last Modified: 2021-01-24 20:10:21.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell