1. Numbers
  2. Compare 28181 vs 28182

Compare 28181 vs 28182

Property2818128182
Typeprimecomposite number
Unique factors15
Total factors15
Prime factorization28181121 × 31 × 71 × 111 × 611
Prime factorization281812 × 3 × 7 × 11 × 61
Divisors count232
Divisors1, 281811, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 61, 66, 77, 122, 154, 183, 231, 366, 427, 462, 671, 854, 1281, 1342, 2013, 2562, 4026, 4697, 9394, 14091, 28182
Number of properties50
Chen primes1493rd 
Harmonic primes1147th 
Primes3072nd 
Pythagorean primes1529th 
Twin primes (1st member)449th 
Roman numberals  
Base 211011100001010121101110000101102
Base 31102122202311021222103
Base 4123201114123201124
Base 51400211514002125
Base 633424563342506
Base 714510671451107
Base 8670258670268
Base 9425829425839
Base 1028181102818210
Base 111a19a111a1a011
Base 1214385121438612
Base 13ca9a13ca9b13
Base 14a3ad14a3b014
Base 15853b15853c15
Base 166e15166e1616
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