Compare 40 vs 41

Typecomposite numberprime
Unique factors21
Total factors41
Prime factorization23 × 51411
Prime factorization2 × 2 × 2 × 541
Divisors count82
Divisors1, 2, 4, 5, 8, 10, 20, 401, 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 numberalsXLXLI
Base 210100021010012
Base 31111311123
Base 422042214
Base 513051315
Base 610461056
Base 7557567
Base 8508518
Base 9449459
Base 1040104110
Base 1137113811
Base 1234123512
Base 1331133213
Base 142c142d14
Base 152a152b15
Base 1628162916
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