Compare 639637 vs 639642

Property	639637	639642
Type	prime	composite number
Unique factors	1	4
Total factors	1	4
Prime factorization	639637¹	2¹ × 3¹ × 17¹ × 6271¹
Prime factorization	639637	2 × 3 × 17 × 6271
Divisors count	2	16
Divisors	1, 639637	1, 2, 3, 6, 17, 34, 51, 102, 6271, 12542, 18813, 37626, 106607, 213214, 319821, 639642
Number of properties	3	0
Isolated primes	40793rd
Primes	52048th
Sexy primes (2nd member)	11279th
Roman numberals
Base 2	10011100001010010101₂	10011100001010011010₂
Base 3	1012111102021₃	1012111102110₃
Base 4	2130022111₄	2130022122₄
Base 5	130432022₅	130432032₅
Base 6	21413141₆	21413150₆
Base 7	5302555₇	5302563₇
Base 8	2341225₈	2341232₈
Base 9	1174367₉	1174373₉
Base 10	639637₁₀	639642₁₀
Base 11	3a7629₁₁	3a7633₁₁
Base 12	26a1b1₁₂	26a1b6₁₂
Base 13	1951ab₁₃	1951b3₁₃
Base 14	129165₁₄	12916a₁₄
Base 15	c97c7₁₅	c97cc₁₅
Base 16	9c295₁₆	9c29a₁₆