Compare 201911 vs 202121
Property | 201911 | 202121 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 2019111 | 2021211 |
Prime factorization | 201911 | 202121 |
Divisors count | 2 | 2 |
Divisors | 1, 201911 | 1, 202121 |
Number of properties | 4 | 6 |
Chen primes | 7584th | 7591st |
Cousin primes (2nd member) | 2153rd | |
Harmonic primes | 6814th | |
Isolated primes | 13794th | 13812th |
Primes | 18139th | 18159th |
Pythagorean primes | 9066th | |
Sexy primes (1st member) | 4332nd | |
Roman numberals | ||
Base 2 | 1100010100101101112 | 1100010101100010012 |
Base 3 | 1010202220123 | 1010210202223 |
Base 4 | 3011023134 | 3011120214 |
Base 5 | 224301215 | 224314415 |
Base 6 | 41544356 | 41554256 |
Base 7 | 15004437 | 15011637 |
Base 8 | 6122678 | 6126118 |
Base 9 | 3368659 | 3372289 |
Base 10 | 20191110 | 20212110 |
Base 11 | 12877611 | 12894711 |
Base 12 | 98a1b12 | 98b7512 |
Base 13 | 70b9813 | 70cca13 |
Base 14 | 5382314 | 5393314 |
Base 15 | 3ec5b15 | 3ed4b15 |
Base 16 | 314b716 | 3158916 |