1. Numbers
  2. Compare 280409 vs 280420

Compare 280409 vs 280420

Property280409280420
Typeprimecomposite number
Unique factors14
Total factors15
Prime factorization280409122 × 51 × 71 × 20031
Prime factorization2804092 × 2 × 5 × 7 × 2003
Divisors count224
Divisors1, 2804091, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2003, 4006, 8012, 10015, 14021, 20030, 28042, 40060, 56084, 70105, 140210, 280420
Number of properties50
Additive primes9817th 
Chen primes10067th 
Harmonic primes9132nd 
Primes24465th 
Twin primes (1st member)2838th 
Roman numberals  
Base 21000100011101011001210001000111011001002
Base 311202012211231120201222213
Base 41010131121410101312104
Base 5324331145324331405
Base 6100021056100021246
Base 72245343722453607
Base 81043531810435448
Base 946657594665879
Base 102804091028042010
Base 111817481118175811
Base 121163351211634412
Base 139a82c139a83a13
Base 147429314742a014
Base 155813e155814a15
Base 1644759164476416
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