Compare 1021 vs 1153
| Property | 1021 | 1153 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 10211 | 11531 |
| Prime factorization | 1021 | 1153 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1021 | 1, 1153 |
| Number of properties | 8 | 9 |
| Emirps | 38th | 48th |
| Harmonic primes | 61st | |
| Long primes | 62nd | 72nd |
| Lucky primes | 45th | |
| Pierpont primes | 19th | |
| Primes | 172nd | 191st |
| Proth primes | 18th | |
| Pythagorean primes | 83rd | 93rd |
| Solinas primes | 46th | 52nd |
| Super primes | 43rd | |
| Twin primes (2nd member) | 36th | 41st |
| Roman numberals | MXXI | MCLIII |
| Base 2 | 11111111012 | 100100000012 |
| Base 3 | 11012113 | 11202013 |
| Base 4 | 333314 | 1020014 |
| Base 5 | 130415 | 141035 |
| Base 6 | 44216 | 52016 |
| Base 7 | 26567 | 32357 |
| Base 8 | 17758 | 22018 |
| Base 9 | 13549 | 15219 |
| Base 10 | 102110 | 115310 |
| Base 11 | 84911 | 95911 |
| Base 12 | 71112 | 80112 |
| Base 13 | 60713 | 6a913 |
| Base 14 | 52d14 | 5c514 |
| Base 15 | 48115 | 51d15 |
| Base 16 | 3fd16 | 48116 |