Compare 642990 vs 642997

Property	642990	642997
Type	composite number	prime
Unique factors	4	1
Total factors	4	1
Prime factorization	2¹ × 3¹ × 5¹ × 21433¹	642997¹
Prime factorization	2 × 3 × 5 × 21433	642997
Divisors count	16	2
Divisors	1, 2, 3, 5, 6, 10, 15, 30, 21433, 42866, 64299, 107165, 128598, 214330, 321495, 642990	1, 642997
Number of properties	0	3
Additive primes		20437th
Isolated primes		40981st
Primes		52290th
Roman numberals
Base 2	10011100111110101110₂	10011100111110110101₂
Base 3	1012200000110₃	1012200000201₃
Base 4	2130332232₄	2130332311₄
Base 5	131033430₅	131033442₅
Base 6	21440450₆	21440501₆
Base 7	5315415₇	5315425₇
Base 8	2347656₈	2347665₈
Base 9	1180013₉	1180021₉
Base 10	642990₁₀	642997₁₀
Base 11	3aa0a7₁₁	3aa103₁₁
Base 12	270126₁₂	270131₁₂
Base 13	19688a₁₃	196894₁₃
Base 14	12a47c₁₄	12a485₁₄
Base 15	ca7b0₁₅	ca7b7₁₅
Base 16	9cfae₁₆	9cfb5₁₆