Compare 18 vs 41

Typecomposite numberprime
Unique factors21
Total factors31
Prime factorization21 × 32411
Prime factorization2 × 3 × 341
Divisors count62
Divisors1, 2, 3, 6, 9, 181, 41
Number of properties018
Additive primes 8th
Centered square primes 3rd
Chen primes 13th
Cousin primes (2nd member) 5th
Good primes 6th
Harmonic primes 5th
Primes 13th
Prime triplets (1st member) 7th
Prime triplets (2nd member) 6th
Proth primes 5th
Pythagorean primes 6th
Sexy primes (1st member) 9th
Sexy prime quadrupletss (1st member) 3rd
Sexy prime triplets (1st member) 6th
Solinas primes 12th
Sophie germain primes 7th
Super primes 6th
Twin primes (1st member) 6th
Roman numberalsXVIIIXLI
Base 21001021010012
Base 3200311123
Base 410242214
Base 53351315
Base 63061056
Base 7247567
Base 8228518
Base 9209459
Base 1018104110
Base 1117113811
Base 1216123512
Base 1315133213
Base 1414142d14
Base 1513152b15
Base 1612162916
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