Compare 19 vs 63

Typeprimecomposite number
Unique factors12
Total factors13
Prime factorization19132 × 71
Prime factorization193 × 3 × 7
Divisors count26
Divisors1, 191, 3, 7, 9, 21, 63
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 numberalsXIXLXIII
Base 21001121111112
Base 3201321003
Base 410343334
Base 53452235
Base 63161436
Base 72571207
Base 8238778
Base 9219709
Base 1019106310
Base 1118115811
Base 1217125312
Base 1316134b13
Base 1415144714
Base 1514154315
Base 1613163f16
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