Compare 19 vs 45

Typeprimecomposite number
Unique factors12
Total factors13
Prime factorization19132 × 51
Prime factorization193 × 3 × 5
Divisors count26
Divisors1, 191, 3, 5, 9, 15, 45
Number of properties180
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 
Sexy primes (2nd member)4th 
Sexy prime triplets (3rd member)2nd 
Solinas primes7th 
Twin primes (2nd member)4th 
Roman numberalsXIXXLV
Base 21001121011012
Base 3201312003
Base 410342314
Base 53451405
Base 63161136
Base 7257637
Base 8238558
Base 9219509
Base 1019104510
Base 1118114111
Base 1217123912
Base 1316133613
Base 1415143314
Base 1514153015
Base 1613162d16
This website uses cookies to ensure you get the best experience on our website. More info