Compare 19 vs 42

Property1942
Typeprimecomposite number
Unique factors13
Total factors13
Prime factorization19121 × 31 × 71
Prime factorization192 × 3 × 7
Divisors count28
Divisors1, 191, 2, 3, 6, 7, 14, 21, 42
Number of properties180
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 
Sexy primes (2nd member)4th 
Sexy prime triplets (3rd member)2nd 
Solinas primes7th 
Twin primes (2nd member)4th 
Roman numberalsXIXXLII
Base 21001121010102
Base 3201311203
Base 410342224
Base 53451325
Base 63161106
Base 7257607
Base 8238528
Base 9219469
Base 1019104210
Base 1118113911
Base 1217123612
Base 1316133313
Base 1415143014
Base 1514152c15
Base 1613162a16
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