1. Numbers
  2. Compare 18181 vs 18190

Compare 18181 vs 18190

Property1818118190
Typeprimecomposite number
Unique factors14
Total factors14
Prime factorization18181121 × 51 × 171 × 1071
Prime factorization181812 × 5 × 17 × 107
Divisors count216
Divisors1, 181811, 2, 5, 10, 17, 34, 85, 107, 170, 214, 535, 1070, 1819, 3638, 9095, 18190
Number of properties90
Additive primes979th 
Dihedral primes8th 
Harmonic primes754th 
Isolated primes1444th 
Lucky primes341st 
Palindromic primes42nd 
Primes2083rd 
Pythagorean primes1029th 
Super primes314th 
Roman numberals  
Base 210001110000010121000111000011102
Base 322022110132202212013
Base 4101300114101300324
Base 51040211510402305
Base 622010162201146
Base 710400271040147
Base 8434058434168
Base 9268419268519
Base 1018181101819010
Base 1112729111273711
Base 12a63112a63a12
Base 13837713838313
Base 1468a91468b414
Base 1555c11555ca15
Base 16470516470e16
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