1. Numbers
  2. Compare 1801 vs 1805

Compare 1801 vs 1805

Property18011805
Typeprimecomposite number
Unique factors12
Total factors13
Prime factorization1801151 × 192
Prime factorization18015 × 19 × 19
Divisors count26
Divisors1, 18011, 5, 19, 95, 361, 1805
Number of properties70
Chen primes174th 
Cuban primes 113th 
Harmonic primes99th 
Isolated primes168th 
Lucky primes66th 
Primes279th 
Pythagorean primes136th 
Roman numberalsMDCCCIMDCCCV
Base 2111000010012111000011012
Base 32110201321102123
Base 413002141300314
Base 5242015242105
Base 6122016122056
Base 75152751567
Base 83411834158
Base 92421924259
Base 10180110180510
Base 1113981113a111
Base 12106112106512
Base 13a8713a8b13
Base 149291492d14
Base 158011580515
Base 167091670d16
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