Compare 19 vs 57

Unique factors12
Total factors12
Prime factorization19131 × 191
Prime factorization193 × 19
Divisors count24
Divisors1, 191, 3, 19, 57
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 20th
Sexy primes (2nd member)4th 
Sexy prime triplets (3rd member)2nd 
Solinas primes7th 
Twin primes (2nd member)4th 
Roman numberalsXIXLVII
Base 21001121110012
Base 3201320103
Base 410343214
Base 53452125
Base 63161336
Base 72571117
Base 8238718
Base 9219639
Base 1019105710
Base 1118115211
Base 1217124912
Base 1316134513
Base 1415144114
Base 1514153c15
Base 1613163916
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