Compare 28105 vs 28111

Property2810528111
Typecomposite numberprime
Unique factors41
Total factors41
Prime factorization51 × 71 × 111 × 731281111
Prime factorization5 × 7 × 11 × 7328111
Divisors count162
Divisors1, 5, 7, 11, 35, 55, 73, 77, 365, 385, 511, 803, 2555, 4015, 5621, 281051, 28111
Number of properties05
Additive primes 1404th
Chen primes 1491st
Harmonic primes 1144th
Primes 3068th
Twin primes (2nd member) 448th
Roman numberals  
Base 211011011100100121101101110011112
Base 31102112221311021200113
Base 4123130214123130334
Base 51344410513444215
Base 633404163340516
Base 714464071446467
Base 8667118667178
Base 9424879425049
Base 1028105102811110
Base 111a130111a13611
Base 1214321121432712
Base 13ca3c13ca4513
Base 14a35714a35d14
Base 1584da1584e115
Base 166dc9166dcf16
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