Compare 639439 vs 639440

Property	639439	639440
Type	prime	composite number
Unique factors	1	3
Total factors	1	6
Prime factorization	639439¹	2⁴ × 5¹ × 7993¹
Prime factorization	639439	2 × 2 × 2 × 2 × 5 × 7993
Divisors count	2	20
Divisors	1, 639439	1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 7993, 15986, 31972, 39965, 63944, 79930, 127888, 159860, 319720, 639440
Number of properties	3	0
Isolated primes	40781st
Primes	52032nd
Sexy primes (2nd member)	11275th
Roman numberals
Base 2	10011100000111001111₂	10011100000111010000₂
Base 3	1012111010221₃	1012111010222₃
Base 4	2130013033₄	2130013100₄
Base 5	130430224₅	130430230₅
Base 6	21412211₆	21412212₆
Base 7	5302153₇	5302154₇
Base 8	2340717₈	2340720₈
Base 9	1174127₉	1174128₉
Base 10	639439₁₀	639440₁₀
Base 11	3a7469₁₁	3a746a₁₁
Base 12	26a067₁₂	26a068₁₂
Base 13	195088₁₃	195089₁₃
Base 14	129063₁₄	129064₁₄
Base 15	c96e4₁₅	c96e5₁₅
Base 16	9c1cf₁₆	9c1d0₁₆