Compare 181 vs 367
| Property | 181 | 367 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1811 | 3671 |
| Prime factorization | 181 | 367 |
| Divisors count | 2 | 2 |
| Divisors | 1, 181 | 1, 367 |
| Number of properties | 8 | 9 |
| Centered square primes | 6th | |
| Chen primes | 33rd | |
| Dihedral primes | 5th | |
| Happy primes | 18th | |
| Isolated primes | 32nd | |
| Left-truncatable primes | 28th | |
| Long primes | 16th | 26th |
| Lucky primes | 21st | |
| Palindromic primes | 9th | |
| Primes | 42nd | 73rd |
| Pythagorean primes | 19th | |
| Sexy primes (1st member) | 40th | |
| Sexy prime triplets (1st member) | 19th | |
| Super primes | 21st | |
| Twin primes (2nd member) | 13th | |
| Roman numberals | CLXXXI | CCCLXVII |
| Base 2 | 101101012 | 1011011112 |
| Base 3 | 202013 | 1111213 |
| Base 4 | 23114 | 112334 |
| Base 5 | 12115 | 24325 |
| Base 6 | 5016 | 14116 |
| Base 7 | 3467 | 10337 |
| Base 8 | 2658 | 5578 |
| Base 9 | 2219 | 4479 |
| Base 10 | 18110 | 36710 |
| Base 11 | 15511 | 30411 |
| Base 12 | 13112 | 26712 |
| Base 13 | 10c13 | 22313 |
| Base 14 | cd14 | 1c314 |
| Base 15 | c115 | 19715 |
| Base 16 | b516 | 16f16 |