Compare 639997 vs 639998

Property	639997	639998
Type	prime	composite number
Unique factors	1	3
Total factors	1	3
Prime factorization	639997¹	2¹ × 23¹ × 13913¹
Prime factorization	639997	2 × 23 × 13913
Divisors count	2	8
Divisors	1, 639997	1, 2, 23, 46, 13913, 27826, 319999, 639998
Number of properties	4	0
Additive primes	20349th
Isolated primes	40813th
Lucky primes	5977th
Primes	52074th
Roman numberals
Base 2	10011100001111111101₂	10011100001111111110₂
Base 3	1012111220121₃	1012111220122₃
Base 4	2130033331₄	2130033332₄
Base 5	130434442₅	130434443₅
Base 6	21414541₆	21414542₆
Base 7	5303611₇	5303612₇
Base 8	2341775₈	2341776₈
Base 9	1174817₉	1174818₉
Base 10	639997₁₀	639998₁₀
Base 11	3a7926₁₁	3a7927₁₁
Base 12	26a451₁₂	26a452₁₂
Base 13	1953c7₁₃	1953c8₁₃
Base 14	129341₁₄	129342₁₄
Base 15	c9967₁₅	c9968₁₅
Base 16	9c3fd₁₆	9c3fe₁₆