Compare 19 vs 22

Unique factors12
Total factors12
Prime factorization19121 × 111
Prime factorization192 × 11
Divisors count24
Divisors1, 191, 2, 11, 22
Number of properties181
Centered triangular primes1st 
Chen primes8th 
Cousin primes (1st member)4th 
Cuban primes 12nd 
Happy primes3rd 
Long primes3rd 
Pierpont primes7th 
Prime quadruplets (4th member)2nd 
Prime quintuplet 1s (5th member)1st 
Prime quintuplet 2s (4th member)2nd 
Prime sextuplets (5th member)1st 
Prime triplets (2nd member)5th 
Prime triplets (3rd member)4th 
Semiprimes 8th
Sexy primes (2nd member)4th 
Sexy prime triplets (3rd member)2nd 
Solinas primes7th 
Twin primes (2nd member)4th 
Roman numberalsXIXXXII
Base 2100112101102
Base 320132113
Base 410341124
Base 5345425
Base 6316346
Base 7257317
Base 8238268
Base 9219249
Base 1019102210
Base 1118112011
Base 1217121a12
Base 1316131913
Base 1415141814
Base 1514151715
Base 1613161616
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