Compare 641990 vs 641998

Property	641990	641998
Type	composite number	composite number
Unique factors	4	3
Total factors	4	4
Prime factorization	2¹ × 5¹ × 43¹ × 1493¹	2¹ × 7² × 6551¹
Prime factorization	2 × 5 × 43 × 1493	2 × 7 × 7 × 6551
Divisors count	16	12
Divisors	1, 2, 5, 10, 43, 86, 215, 430, 1493, 2986, 7465, 14930, 64199, 128398, 320995, 641990	1, 2, 7, 14, 49, 98, 6551, 13102, 45857, 91714, 320999, 641998
Number of properties	0	0
Roman numberals
Base 2	10011100101111000110₂	10011100101111001110₂
Base 3	1012121122102₃	1012121122201₃
Base 4	2130233012₄	2130233032₄
Base 5	131020430₅	131020443₅
Base 6	21432102₆	21432114₆
Base 7	5312456₇	5312500₇
Base 8	2345706₈	2345716₈
Base 9	1177572₉	1177581₉
Base 10	641990₁₀	641998₁₀
Base 11	3a9378₁₁	3a9385₁₁
Base 12	26b632₁₂	26b63a₁₂
Base 13	19629b₁₃	1962a6₁₃
Base 14	129d66₁₄	129d70₁₄
Base 15	ca345₁₅	ca34d₁₅
Base 16	9cbc6₁₆	9cbce₁₆