Compare 20 vs 41

Typecomposite numberprime
Unique factors21
Total factors31
Prime factorization22 × 51411
Prime factorization2 × 2 × 541
Divisors count62
Divisors1, 2, 4, 5, 10, 201, 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 numberalsXXXLI
Base 21010021010012
Base 3202311123
Base 411042214
Base 54051315
Base 63261056
Base 7267567
Base 8248518
Base 9229459
Base 1020104110
Base 1119113811
Base 1218123512
Base 1317133213
Base 1416142d14
Base 1515152b15
Base 1614162916
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