1. Numbers
  2. Compare 251 vs 260

Compare 251 vs 260

Property251260
Typeprimecomposite number
Unique factors13
Total factors14
Prime factorization251122 × 51 × 131
Prime factorization2512 × 2 × 5 × 13
Divisors count212
Divisors1, 2511, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260
Number of properties100
Chen primes41st 
Good primes19th 
Harmonic primes20th 
Isolated primes21st 
Primes54th 
Sexy primes (1st member)30th 
Sexy prime quadrupletss (1st member)5th 
Sexy prime triplets (1st member)15th 
Solinas primes30th 
Sophie germain primes18th 
Roman numberalsCCLICCLX
Base 21111101121000001002
Base 310002231001223
Base 433234100104
Base 52001520205
Base 61055611126
Base 750675217
Base 837384048
Base 930893189
Base 102511026010
Base 112091121711
Base 1218b1219812
Base 131641317013
Base 1413d1414814
Base 1511b1512515
Base 16fb1610416
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