Compare 639660 vs 639669

Property	639660	639669
Type	composite number	semiprime
Unique factors	5	2
Total factors	6	2
Prime factorization	2² × 3¹ × 5¹ × 7¹ × 1523¹	3¹ × 213223¹
Prime factorization	2 × 2 × 3 × 5 × 7 × 1523	3 × 213223
Divisors count	48	4
Divisors	1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1523, 3046, 4569, 6092, 7615, 9138, 10661, 15230, 18276, 21322, 22845, 30460, 31983, 42644, 45690, 53305, 63966, 91380, 106610, 127932, 159915, 213220, 319830, 639660	1, 3, 213223, 639669
Number of properties	0	1
Semiprimes		137073rd
Roman numberals
Base 2	10011100001010101100₂	10011100001010110101₂
Base 3	1012111110010₃	1012111110110₃
Base 4	2130022230₄	2130022311₄
Base 5	130432120₅	130432134₅
Base 6	21413220₆	21413233₆
Base 7	5302620₇	5302632₇
Base 8	2341254₈	2341265₈
Base 9	1174403₉	1174413₉
Base 10	639660₁₀	639669₁₀
Base 11	3a764a₁₁	3a7658₁₁
Base 12	26a210₁₂	26a219₁₂
Base 13	1951c8₁₃	195204₁₃
Base 14	129180₁₄	129189₁₄
Base 15	c97e0₁₅	c97e9₁₅
Base 16	9c2ac₁₆	9c2b5₁₆