Compare 19 vs 49

Property1949
Typeprimesemiprime
Unique factors11
Total factors12
Prime factorization19172
Prime factorization197 × 7
Divisors count23
Divisors1, 191, 7, 49
Number of properties181
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 
Semiprimes 17th
Sexy primes (2nd member)4th 
Sexy prime triplets (3rd member)2nd 
Solinas primes7th 
Twin primes (2nd member)4th 
Roman numberalsXIXXLIX
Base 21001121100012
Base 3201312113
Base 410343014
Base 53451445
Base 63161216
Base 72571007
Base 8238618
Base 9219549
Base 1019104910
Base 1118114511
Base 1217124112
Base 1316133a13
Base 1415143714
Base 1514153415
Base 1613163116
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