12340...04321 (129-digits)
This number is a prime.
123400000 0000000000 0000000000 0000000000 0000000000 0000000000
0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000004321
Single Curio View: (Seek other curios for this number)
A palindromic prime of the form 1234*10^(k + 4) + 4321. [Fleming]
Submitted: 2026-01-07 19:47:49; Last Modified: 2026-01-09 12:41:16.
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