Compare 641990 vs 642001

Property	641990	642001
Type	composite number	semiprime
Unique factors	4	2
Total factors	4	2
Prime factorization	2¹ × 5¹ × 43¹ × 1493¹	401¹ × 1601¹
Prime factorization	2 × 5 × 43 × 1493	401 × 1601
Divisors count	16	4
Divisors	1, 2, 5, 10, 43, 86, 215, 430, 1493, 2986, 7465, 14930, 64199, 128398, 320995, 641990	1, 401, 1601, 642001
Number of properties	0	1
Semiprimes		137550th
Roman numberals
Base 2	10011100101111000110₂	10011100101111010001₂
Base 3	1012121122102₃	1012121122211₃
Base 4	2130233012₄	2130233101₄
Base 5	131020430₅	131021001₅
Base 6	21432102₆	21432121₆
Base 7	5312456₇	5312503₇
Base 8	2345706₈	2345721₈
Base 9	1177572₉	1177584₉
Base 10	641990₁₀	642001₁₀
Base 11	3a9378₁₁	3a9388₁₁
Base 12	26b632₁₂	26b641₁₂
Base 13	19629b₁₃	1962a9₁₃
Base 14	129d66₁₄	129d73₁₄
Base 15	ca345₁₅	ca351₁₅
Base 16	9cbc6₁₆	9cbd1₁₆