Compare 49 vs 61

Unique factors11
Total factors21
Prime factorization72611
Prime factorization7 × 761
Divisors count32
Divisors1, 7, 491, 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 numberalsXLIXLXI
Base 211000121111012
Base 31211320213
Base 430143314
Base 514452215
Base 612161416
Base 710071157
Base 8618758
Base 9549679
Base 1049106110
Base 1145115611
Base 1241125112
Base 133a134913
Base 1437144514
Base 1534154115
Base 1631163d16
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