Compare 638633 vs 638640

Property	638633	638640
Type	prime	composite number
Unique factors	1	4
Total factors	1	8
Prime factorization	638633¹	2⁴ × 3² × 5¹ × 887¹
Prime factorization	638633	2 × 2 × 2 × 2 × 3 × 3 × 5 × 887
Divisors count	2	60
Divisors	1, 638633	1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 887, 1774, 2661, 3548, 4435, 5322, 7096, 7983, 8870, 10644, 13305, 14192, 15966, 17740, 21288, 26610, 31932, 35480, 39915, 42576, 53220, 63864, 70960, 79830, 106440, 127728, 159660, 212880, 319320, 638640
Number of properties	6	0
Additive primes	20319th
Chen primes	20338th
Cousin primes (2nd member)	5620th
Isolated primes	40737th
Primes	51982nd
Sophie germain primes	5293rd
Roman numberals
Base 2	10011011111010101001₂	10011011111010110000₂
Base 3	1012110001002₃	1012110001100₃
Base 4	2123322221₄	2123322300₄
Base 5	130414013₅	130414030₅
Base 6	21404345₆	21404400₆
Base 7	5266622₇	5266632₇
Base 8	2337251₈	2337260₈
Base 9	1173032₉	1173040₉
Base 10	638633₁₀	638640₁₀
Base 11	3a68a6₁₁	3a6902₁₁
Base 12	2696b5₁₂	269700₁₂
Base 13	1948b8₁₃	1948c2₁₃
Base 14	128a49₁₄	128a52₁₄
Base 15	c9358₁₅	c9360₁₅
Base 16	9bea9₁₆	9beb0₁₆