Compare 642281 vs 642286

Property	642281	642286
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	642281¹	2¹ × 321143¹
Prime factorization	642281	2 × 321143
Divisors count	2	4
Divisors	1, 642281	1, 2, 321143, 642286
Number of properties	4	1
Additive primes	20419th
Chen primes	20435th
Isolated primes	40946th
Primes	52245th
Semiprimes		137610th
Roman numberals
Base 2	10011100110011101001₂	10011100110011101110₂
Base 3	1012122001012₃	1012122001101₃
Base 4	2130303221₄	2130303232₄
Base 5	131023111₅	131023121₅
Base 6	21433305₆	21433314₆
Base 7	5313353₇	5313361₇
Base 8	2346351₈	2346356₈
Base 9	1178035₉	1178041₉
Base 10	642281₁₀	642286₁₀
Base 11	3a9612₁₁	3a9617₁₁
Base 12	26b835₁₂	26b83a₁₂
Base 13	196463₁₃	196468₁₃
Base 14	12a0d3₁₄	12a0d8₁₄
Base 15	ca48b₁₅	ca491₁₅
Base 16	9cce9₁₆	9ccee₁₆