Compare 221199 vs 221209
| Property | 221199 | 221209 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 111 × 67031 | 2212091 |
| Prime factorization | 3 × 11 × 6703 | 221209 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 11, 33, 6703, 20109, 73733, 221199 | 1, 221209 |
| Number of properties | 0 | 7 |
| Happy primes | 2995th | |
| Harmonic primes | 7397th | |
| Isolated primes | 15036th | |
| Primes | 19713th | |
| Pythagorean primes | 9835th | |
| Sexy primes (2nd member) | 4662nd | |
| Sexy prime triplets (3rd member) | 930th | |
| Roman numberals | ||
| Base 2 | 1101100000000011112 | 1101100000000110012 |
| Base 3 | 1020201021203 | 1020201022213 |
| Base 4 | 3120000334 | 3120001214 |
| Base 5 | 240342445 | 240343145 |
| Base 6 | 44240236 | 44240416 |
| Base 7 | 16106167 | 16106327 |
| Base 8 | 6600178 | 6600318 |
| Base 9 | 3663769 | 3663879 |
| Base 10 | 22119910 | 22120910 |
| Base 11 | 14121011 | 14121a11 |
| Base 12 | a801312 | a802112 |
| Base 13 | 798b413 | 798c113 |
| Base 14 | 5a87d14 | 5a88914 |
| Base 15 | 4581915 | 4582415 |
| Base 16 | 3600f16 | 3601916 |