Compare 19 vs 56

Property1956
Typeprimecomposite number
Unique factors12
Total factors14
Prime factorization19123 × 71
Prime factorization192 × 2 × 2 × 7
Divisors count28
Divisors1, 191, 2, 4, 7, 8, 14, 28, 56
Number of properties180
Centered triangular primes1st 
Chen primes8th 
Cousin primes (1st member)4th 
Cuban primes 12nd 
Happy primes3rd 
Long primes3rd 
Pierpont primes7th 
Primes8th 
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 
Sexy primes (2nd member)4th 
Sexy prime triplets (3rd member)2nd 
Solinas primes7th 
Twin primes (2nd member)4th 
Roman numberalsXIXLVI
Base 21001121110002
Base 3201320023
Base 410343204
Base 53452115
Base 63161326
Base 72571107
Base 8238708
Base 9219629
Base 1019105610
Base 1118115111
Base 1217124812
Base 1316134413
Base 1415144014
Base 1514153b15
Base 1613163816
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