1. Numbers
  2. Compare 20639 vs 20644

Compare 20639 vs 20644

Property2063920644
Typeprimecomposite number
Unique factors13
Total factors14
Prime factorization20639122 × 131 × 3971
Prime factorization206392 × 2 × 13 × 397
Divisors count212
Divisors1, 206391, 2, 4, 13, 26, 52, 397, 794, 1588, 5161, 10322, 20644
Number of properties40
Chen primes1143rd 
Happy primes384th 
Primes2326th 
Twin primes (1st member)351st 
Roman numberals  
Base 210100001001111121010000101001002
Base 31001022102310010221213
Base 4110021334110022104
Base 51130024511300345
Base 623531562353246
Base 711411371141217
Base 8502378502448
Base 9312729312779
Base 1020639102064410
Base 1114563111456811
Base 12bb3b12bb4412
Base 13951813952013
Base 14774314774814
Base 1561ae1561b415
Base 16509f1650a416
This website uses cookies to ensure you get the best experience on our website. More info