1. Numbers
  2. Compare 19 vs 55

Compare 19 vs 55

Property1955
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization19151 × 111
Prime factorization195 × 11
Divisors count24
Divisors1, 191, 5, 11, 55
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 19th
Sexy primes (2nd member)4th 
Sexy prime triplets (3rd member)2nd 
Solinas primes7th 
Twin primes (2nd member)4th 
Roman numberalsXIXLV
Base 21001121101112
Base 3201320013
Base 410343134
Base 53452105
Base 63161316
Base 72571067
Base 8238678
Base 9219619
Base 1019105510
Base 1118115011
Base 1217124712
Base 1316134313
Base 1415143d14
Base 1514153a15
Base 1613163716
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