Compare 661 vs 701

Property661701
Typeprimeprime
Unique factors11
Total factors11
Prime factorization66117011
Prime factorization661701
Divisors count22
Divisors1, 6611, 701
Number of properties56
Additive primes65th 
Centered decagonal primes8th 
Chen primes 87th
Emirps 21st
Isolated primes 67th
Long primes 45th
Primes121st126th
Pythagorean primes57th60th
Twin primes (2nd member)30th 
Roman numberalsDCLXIDCCI
Base 21010010101210101111012
Base 322011132212223
Base 4221114223314
Base 5101215103015
Base 63021631256
Base 71633720217
Base 81225812758
Base 981498589
Base 106611070110
Base 115511158811
Base 12471124a512
Base 133bb1341c13
Base 143531438114
Base 152e11531b15
Base 16295162bd16
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