39
This number is a composite.
Single Curio View: (Seek other curios for this number)
The smallest Sloof Lirpa prime. A Sloof Lirpa (April
Fools spelled backwards) prime is an April
Fools prime that results in a different April Fools
prime when its decimal digits are reversed. The sequence
begins 39, 93, 117, 123, 129, 143, 147, 153, 159, 169, 177,
183, 187, 189, 309, 319, 321, 327, 329, 339, 341, 351, 357,
369, 381, 387, 399, 711, 723, 729, 741, 753, 759, 771, 781,
783, 789, 903, 913, … .
Submitted: 2022-04-01 11:05:22; Last Modified: 2022-04-02 00:33:38.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell