Compare 639997 vs 640003

Property	639997	640003
Type	prime	composite number
Unique factors	1	3
Total factors	1	4
Prime factorization	639997¹	7¹ × 13² × 541¹
Prime factorization	639997	7 × 13 × 13 × 541
Divisors count	2	12
Divisors	1, 639997	1, 7, 13, 91, 169, 541, 1183, 3787, 7033, 49231, 91429, 640003
Number of properties	4	0
Additive primes	20349th
Isolated primes	40813th
Lucky primes	5977th
Primes	52074th
Roman numberals
Base 2	10011100001111111101₂	10011100010000000011₂
Base 3	1012111220121₃	1012111220211₃
Base 4	2130033331₄	2130100003₄
Base 5	130434442₅	130440003₅
Base 6	21414541₆	21414551₆
Base 7	5303611₇	5303620₇
Base 8	2341775₈	2342003₈
Base 9	1174817₉	1174824₉
Base 10	639997₁₀	640003₁₀
Base 11	3a7926₁₁	3a7931₁₁
Base 12	26a451₁₂	26a457₁₂
Base 13	1953c7₁₃	195400₁₃
Base 14	129341₁₄	129347₁₄
Base 15	c9967₁₅	c996d₁₅
Base 16	9c3fd₁₆	9c403₁₆