1. Numbers
  2. Compare 6551 vs 6561

Compare 6551 vs 6561

Property65516561
Typeprimecomposite number
Unique factors11
Total factors18
Prime factorization6551138
Prime factorization65513 × 3 × 3 × 3 × 3 × 3 × 3 × 3
Divisors count29
Divisors1, 65511, 3, 9, 27, 81, 243, 729, 2187, 6561
Number of properties90
Additive primes423rd 
Chen primes462nd 
Cousin primes (2nd member)147th 
Good primes130th 
Harmonic primes306th 
Primes846th 
Prime triplets (2nd member)93rd 
Sophie germain primes145th 
Twin primes (1st member)151st 
Roman numberals  
Base 21100110010111211001101000012
Base 32222212231000000003
Base 41212113412122014
Base 520220152022215
Base 6501556502136
Base 7250467250627
Base 8146278146418
Base 988789100009
Base 10655110656110
Base 114a16114a2511
Base 12395b12396912
Base 132c9c132ca913
Base 14255d14256914
Base 151e1b151e2615
Base 1619971619a116
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