1. Numbers
  2. Compare 21383 vs 21390

Compare 21383 vs 21390

Property2138321390
Typeprimecomposite number
Unique factors15
Total factors15
Prime factorization21383121 × 31 × 51 × 231 × 311
Prime factorization213832 × 3 × 5 × 23 × 31
Divisors count232
Divisors1, 213831, 2, 3, 5, 6, 10, 15, 23, 30, 31, 46, 62, 69, 93, 115, 138, 155, 186, 230, 310, 345, 465, 690, 713, 930, 1426, 2139, 3565, 4278, 7130, 10695, 21390
Number of properties100
Additive primes1113th 
Cousin primes (2nd member)364th 
Harmonic primes881st 
Isolated primes1675th 
Long primes910th 
Primes2400th 
Prime triplets (3rd member)181st 
Safe primes201st 
Sexy primes (2nd member)728th 
Sophie germain primes348th 
Roman numberals  
Base 210100111000011121010011100011102
Base 31002022222310021000203
Base 4110320134110320324
Base 51141013511410305
Base 624255562430106
Base 711622571162357
Base 8516078516168
Base 9322889323069
Base 1021383102139010
Base 111507a111508611
Base 121045b121046612
Base 13996b13997513
Base 147b15147b1c14
Base 15650815651015
Base 16538716538e16
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