Compare 486 vs 491

Property486491
Typecomposite numberprime
Unique factors21
Total factors61
Prime factorization21 × 354911
Prime factorization2 × 3 × 3 × 3 × 3 × 3491
Divisors count122
Divisors1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 4861, 491
Number of properties07
Chen primes 66th
Cousin primes (2nd member) 26th
Harmonic primes 38th
Isolated primes 47th
Long primes 34th
Primes 94th
Sophie germain primes 25th
Roman numberalsCDLXXXVICDXCI
Base 211110011021111010112
Base 320000032000123
Base 4132124132234
Base 53421534315
Base 62130621356
Base 71263713017
Base 874687538
Base 960096059
Base 104861049110
Base 114021140711
Base 123461234b12
Base 132b5132ba13
Base 1426a1427114
Base 152261522b15
Base 161e6161eb16
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