Compare 639390 vs 639391

Property	639390	639391
Type	composite number	prime
Unique factors	4	1
Total factors	4	1
Prime factorization	2¹ × 3¹ × 5¹ × 21313¹	639391¹
Prime factorization	2 × 3 × 5 × 21313	639391
Divisors count	16	2
Divisors	1, 2, 3, 5, 6, 10, 15, 30, 21313, 42626, 63939, 106565, 127878, 213130, 319695, 639390	1, 639391
Number of properties	0	4
Additive primes		20334th
Chen primes		20356th
Isolated primes		40779th
Primes		52030th
Roman numberals
Base 2	10011100000110011110₂	10011100000110011111₂
Base 3	1012111002010₃	1012111002011₃
Base 4	2130012132₄	2130012133₄
Base 5	130430030₅	130430031₅
Base 6	21412050₆	21412051₆
Base 7	5302053₇	5302054₇
Base 8	2340636₈	2340637₈
Base 9	1174063₉	1174064₉
Base 10	639390₁₀	639391₁₀
Base 11	3a7424₁₁	3a7425₁₁
Base 12	26a026₁₂	26a027₁₂
Base 13	19504b₁₃	19504c₁₃
Base 14	12902a₁₄	12902b₁₄
Base 15	c96b0₁₅	c96b1₁₅
Base 16	9c19e₁₆	9c19f₁₆