Compare 639997 vs 639999

Property	639997	639999
Type	prime	composite number
Unique factors	1	4
Total factors	1	5
Prime factorization	639997¹	3² × 17¹ × 47¹ × 89¹
Prime factorization	639997	3 × 3 × 17 × 47 × 89
Divisors count	2	24
Divisors	1, 639997	1, 3, 9, 17, 47, 51, 89, 141, 153, 267, 423, 799, 801, 1513, 2397, 4183, 4539, 7191, 12549, 13617, 37647, 71111, 213333, 639999
Number of properties	4	0
Additive primes	20349th
Isolated primes	40813th
Lucky primes	5977th
Primes	52074th
Roman numberals
Base 2	10011100001111111101₂	10011100001111111111₂
Base 3	1012111220121₃	1012111220200₃
Base 4	2130033331₄	2130033333₄
Base 5	130434442₅	130434444₅
Base 6	21414541₆	21414543₆
Base 7	5303611₇	5303613₇
Base 8	2341775₈	2341777₈
Base 9	1174817₉	1174820₉
Base 10	639997₁₀	639999₁₀
Base 11	3a7926₁₁	3a7928₁₁
Base 12	26a451₁₂	26a453₁₂
Base 13	1953c7₁₃	1953c9₁₃
Base 14	129341₁₄	129343₁₄
Base 15	c9967₁₅	c9969₁₅
Base 16	9c3fd₁₆	9c3ff₁₆