Compare 19979 vs 19990
Property | 19979 | 19990 |
---|---|---|
Type | prime | composite number |
Unique factors | 1 | 3 |
Total factors | 1 | 3 |
Prime factorization | 199791 | 21 × 51 × 19991 |
Prime factorization | 19979 | 2 × 5 × 1999 |
Divisors count | 2 | 8 |
Divisors | 1, 19979 | 1, 2, 5, 10, 1999, 3998, 9995, 19990 |
Number of properties | 6 | 0 |
Happy primes | 376th | |
Harmonic primes | 819th | |
Isolated primes | 1578th | |
Long primes | 864th | |
Primes | 2259th | |
Sexy primes (2nd member) | 692nd | |
Roman numberals | ||
Base 2 | 1001110000010112 | 1001110000101102 |
Base 3 | 10001012223 | 10001021013 |
Base 4 | 103200234 | 103201124 |
Base 5 | 11144045 | 11144305 |
Base 6 | 2322556 | 2323146 |
Base 7 | 1121517 | 1121657 |
Base 8 | 470138 | 470268 |
Base 9 | 303589 | 303719 |
Base 10 | 1997910 | 1999010 |
Base 11 | 1401311 | 1402311 |
Base 12 | b68b12 | b69a12 |
Base 13 | 912b13 | 913913 |
Base 14 | 73d114 | 73dc14 |
Base 15 | 5dbe15 | 5dca15 |
Base 16 | 4e0b16 | 4e1616 |