Compare 19 vs 39

Unique factors12
Total factors12
Prime factorization19131 × 131
Prime factorization193 × 13
Divisors count24
Divisors1, 191, 3, 13, 39
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 15th
Sexy primes (2nd member)4th 
Sexy prime triplets (3rd member)2nd 
Solinas primes7th 
Twin primes (2nd member)4th 
Roman numberalsXIXXXXIX
Base 21001121001112
Base 3201311103
Base 410342134
Base 53451245
Base 63161036
Base 7257547
Base 8238478
Base 9219439
Base 1019103910
Base 1118113611
Base 1217123312
Base 1316133013
Base 1415142b14
Base 1514152915
Base 1613162716
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