1. Numbers
  2. Compare 21383 vs 21389

Compare 21383 vs 21389

Property2138321389
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization213831731 × 2931
Prime factorization2138373 × 293
Divisors count24
Divisors1, 213831, 73, 293, 21389
Number of properties101
Additive primes1113th 
Cousin primes (2nd member)364th 
Harmonic primes881st 
Isolated primes1675th 
Long primes910th 
Primes2400th 
Prime triplets (3rd member)181st 
Safe primes201st 
Semiprimes 5420th
Sexy primes (2nd member)728th 
Sophie germain primes348th 
Roman numberals  
Base 210100111000011121010011100011012
Base 31002022222310021000123
Base 4110320134110320314
Base 51141013511410245
Base 624255562430056
Base 711622571162347
Base 8516078516158
Base 9322889323059
Base 1021383102138910
Base 111507a111508511
Base 121045b121046512
Base 13996b13997413
Base 147b15147b1b14
Base 15650815650e15
Base 16538716538d16
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