22222...22229 (176-digits)

This number is a probable-prime (likely to be a prime but we have not (re-)proven it on this site).

222222 2222222222 2222222222 2222222222
2222222222 2222222222 2222222222 2222222222 2222222222 2222222222 2222222222
2222222222 2222222222 2222222222 2222222222 2222222222 2222222222 2222222229

Single Curio View: (Seek other curios for this number)

The smallest near-repdigit prime P greater than a googol found in the sequence 9, 29, 229, 2229, 22229, 222229, 2222229, etc . Curiously, P is expressible as R176 + 7, where R stands for the n-th repdigit. [Bajpai]

Submitted: 2019-03-15 00:25:55; Last Modified: 2020-06-18 14:58:45.