Compare 639428 vs 639439

Property	639428	639439
Type	composite number	prime
Unique factors	2	1
Total factors	3	1
Prime factorization	2² × 159857¹	639439¹
Prime factorization	2 × 2 × 159857	639439
Divisors count	6	2
Divisors	1, 2, 4, 159857, 319714, 639428	1, 639439
Number of properties	0	3
Isolated primes		40781st
Primes		52032nd
Sexy primes (2nd member)		11275th
Roman numberals
Base 2	10011100000111000100₂	10011100000111001111₂
Base 3	1012111010112₃	1012111010221₃
Base 4	2130013010₄	2130013033₄
Base 5	130430203₅	130430224₅
Base 6	21412152₆	21412211₆
Base 7	5302136₇	5302153₇
Base 8	2340704₈	2340717₈
Base 9	1174115₉	1174127₉
Base 10	639428₁₀	639439₁₀
Base 11	3a7459₁₁	3a7469₁₁
Base 12	26a058₁₂	26a067₁₂
Base 13	19507a₁₃	195088₁₃
Base 14	129056₁₄	129063₁₄
Base 15	c96d8₁₅	c96e4₁₅
Base 16	9c1c4₁₆	9c1cf₁₆