1. Numbers
  2. Compare 20771 vs 20780

Compare 20771 vs 20780

Property2077120780
Typeprimecomposite number
Unique factors13
Total factors14
Prime factorization20771122 × 51 × 10391
Prime factorization207712 × 2 × 5 × 1039
Divisors count212
Divisors1, 207711, 2, 4, 5, 10, 20, 1039, 2078, 4156, 5195, 10390, 20780
Number of properties70
Additive primes1088th 
Chen primes1152nd 
Happy primes387th 
Harmonic primes855th 
Primes2340th 
Sophie germain primes336th 
Twin primes (1st member)354th 
Roman numberals  
Base 210100010010001121010001001011002
Base 31001111022310011111223
Base 4110102034110102304
Base 51131041511311105
Base 624005562401126
Base 711436271144047
Base 8504438504548
Base 9314389314489
Base 1020771102078010
Base 1114673111468111
Base 121002b121003812
Base 1395ba1395c613
Base 1477d914780414
Base 15624b15625515
Base 16512316512c16
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