Compare 639997 vs 640000

Property	639997	640000
Type	prime	composite number
Unique factors	1	2
Total factors	1	14
Prime factorization	639997¹	2¹⁰ × 5⁴
Prime factorization	639997	2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5
Divisors count	2	55
Divisors	1, 639997	1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 512, 625, 640, 800, 1000, 1024, 1250, 1280, 1600, 2000, 2500, 2560, 3200, 4000, 5000, 5120, 6400, 8000, 10000, 12800, 16000, 20000, 25600, 32000, 40000, 64000, 80000, 128000, 160000, 320000, 640000
Number of properties	4	0
Additive primes	20349th
Isolated primes	40813th
Lucky primes	5977th
Primes	52074th
Roman numberals
Base 2	10011100001111111101₂	10011100010000000000₂
Base 3	1012111220121₃	1012111220201₃
Base 4	2130033331₄	2130100000₄
Base 5	130434442₅	130440000₅
Base 6	21414541₆	21414544₆
Base 7	5303611₇	5303614₇
Base 8	2341775₈	2342000₈
Base 9	1174817₉	1174821₉
Base 10	639997₁₀	640000₁₀
Base 11	3a7926₁₁	3a7929₁₁
Base 12	26a451₁₂	26a454₁₂
Base 13	1953c7₁₃	1953ca₁₃
Base 14	129341₁₄	129344₁₄
Base 15	c9967₁₅	c996a₁₅
Base 16	9c3fd₁₆	9c400₁₆