Compare 26 vs 61

Unique factors21
Total factors21
Prime factorization21 × 131611
Prime factorization2 × 1361
Divisors count42
Divisors1, 2, 13, 261, 61
Number of properties112
Additive primes 11th
Centered decagonal primes 3rd
Centered square primes 4th
Cuban primes 1 4th
Long primes 8th
Primes 18th
Pythagorean primes 8th
Sexy primes (1st member) 12th
Sexy prime quadrupletss (1st member) 4th
Sexy prime triplets (1st member) 8th
Solinas primes 15th
Twin primes (2nd member) 7th
Roman numberalsXXVILXI
Base 21101021111012
Base 3222320213
Base 412243314
Base 510152215
Base 64261416
Base 73571157
Base 8328758
Base 9289679
Base 1026106110
Base 1124115611
Base 1222125112
Base 1320134913
Base 141c144514
Base 151b154115
Base 161a163d16
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