Compare 19 vs 59

Unique factors11
Total factors11
Prime factorization191591
Prime factorization1959
Divisors count22
Divisors1, 191, 59
Number of properties1812
Centered triangular primes1st 
Chen primes8th16th
Cousin primes (1st member)4th 
Cuban primes 12nd 
Good primes 8th
Happy primes3rd 
Long primes3rd7th
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 
Right-truncatable primes 10th
Safe primes 6th
Sexy primes (2nd member)4th11th
Sexy prime quadrupletss (4th member) 3rd
Sexy prime triplets (3rd member)2nd7th
Solinas primes7th14th
Super primes 7th
Twin primes (1st member) 7th
Twin primes (2nd member)4th 
Roman numberalsXIXLIX
Base 21001121110112
Base 3201320123
Base 410343234
Base 53452145
Base 63161356
Base 72571137
Base 8238738
Base 9219659
Base 1019105910
Base 1118115411
Base 1217124b12
Base 1316134713
Base 1415144314
Base 1514153e15
Base 1613163b16
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