Compare 16 vs 19

Typecomposite numberprime
Unique factors11
Total factors41
Prime factorization24191
Prime factorization2 × 2 × 2 × 219
Divisors count52
Divisors1, 2, 4, 8, 161, 19
Number of properties018
Centered triangular primes 1st
Chen primes 8th
Cousin primes (1st member) 4th
Cuban primes 1 2nd
Happy primes 3rd
Long primes 3rd
Pierpont primes 7th
Primes 8th
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 primes 7th
Twin primes (2nd member) 4th
Roman numberalsXVIXIX
Base 2100002100112
Base 312132013
Base 410041034
Base 5315345
Base 6246316
Base 7227257
Base 8208238
Base 9179219
Base 1016101910
Base 1115111811
Base 1214121712
Base 1313131613
Base 1412141514
Base 1511151415
Base 1610161316
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