Compare 639671 vs 639681

Property	639671	639681
Type	prime	composite number
Unique factors	1	4
Total factors	1	4
Prime factorization	639671¹	3¹ × 7¹ × 83¹ × 367¹
Prime factorization	639671	3 × 7 × 83 × 367
Divisors count	2	16
Divisors	1, 639671	1, 3, 7, 21, 83, 249, 367, 581, 1101, 1743, 2569, 7707, 30461, 91383, 213227, 639681
Number of properties	3	0
Isolated primes	40795th
Primes	52050th
Sexy primes (1st member)	11280th
Roman numberals
Base 2	10011100001010110111₂	10011100001011000001₂
Base 3	1012111110112₃	1012111110220₃
Base 4	2130022313₄	2130023001₄
Base 5	130432141₅	130432211₅
Base 6	21413235₆	21413253₆
Base 7	5302634₇	5302650₇
Base 8	2341267₈	2341301₈
Base 9	1174415₉	1174426₉
Base 10	639671₁₀	639681₁₀
Base 11	3a765a₁₁	3a7669₁₁
Base 12	26a21b₁₂	26a229₁₂
Base 13	195206₁₃	195213₁₃
Base 14	12918b₁₄	129197₁₄
Base 15	c97eb₁₅	c9806₁₅
Base 16	9c2b7₁₆	9c2c1₁₆