Compare 21961 vs 21970

Property2196121970
Typeprimecomposite number
Unique factors13
Total factors15
Prime factorization21961121 × 51 × 133
Prime factorization219612 × 5 × 13 × 13 × 13
Divisors count216
Divisors1, 219611, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 2197, 4394, 10985, 21970
Number of properties50
Additive primes1139th 
Chen primes1206th 
Isolated primes1718th 
Primes2461st 
Pythagorean primes1221st 
Roman numberals  
Base 210101011100100121010101110100102
Base 31010010101310100102013
Base 4111130214111131024
Base 51200321512003405
Base 624540162454146
Base 712101271210247
Base 8527118527228
Base 9331119331219
Base 1021961102197010
Base 1115555111556311
Base 1210861121086a12
Base 139cc413a00013
Base 14800914801414
Base 15679115679a15
Base 1655c91655d216
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