1. Numbers
  2. Compare 20981 vs 21143

Compare 20981 vs 21143

Property2098121143
Typeprimeprime
Unique factors11
Total factors11
Prime factorization209811211431
Prime factorization2098121143
Divisors count22
Divisors1, 209811, 21143
Number of properties59
Additive primes 1103rd
Chen primes1161st1167th
Cousin primes (2nd member) 360th
Good primes265th 
Happy primes 393rd
Harmonic primes 873rd
Isolated primes 1657th
Long primes 903rd
Primes2359th2376th
Pythagorean primes1172nd 
Sexy primes (1st member) 719th
Twin primes (1st member)357th 
Roman numberals  
Base 210100011111010121010010100101112
Base 31001210002310020000023
Base 4110133114110221134
Base 51132411511340335
Base 624104562415156
Base 711511271154337
Base 8507658512278
Base 9317029320029
Base 1020981102114310
Base 1114844111498111
Base 1210185121029b12
Base 13971c13981513
Base 1479091479c314
Base 15633b1563e815
Base 1651f516529716
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