Compare 642020 vs 642021

Property	642020	642021
Type	composite number	semiprime
Unique factors	4	2
Total factors	5	2
Prime factorization	2² × 5¹ × 47¹ × 683¹	3¹ × 214007¹
Prime factorization	2 × 2 × 5 × 47 × 683	3 × 214007
Divisors count	24	4
Divisors	1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 683, 940, 1366, 2732, 3415, 6830, 13660, 32101, 64202, 128404, 160505, 321010, 642020	1, 3, 214007, 642021
Number of properties	0	1
Semiprimes		137555th
Roman numberals
Base 2	10011100101111100100₂	10011100101111100101₂
Base 3	1012121200112₃	1012121200120₃
Base 4	2130233210₄	2130233211₄
Base 5	131021040₅	131021041₅
Base 6	21432152₆	21432153₆
Base 7	5312531₇	5312532₇
Base 8	2345744₈	2345745₈
Base 9	1177615₉	1177616₉
Base 10	642020₁₀	642021₁₀
Base 11	3a93a5₁₁	3a93a6₁₁
Base 12	26b658₁₂	26b659₁₂
Base 13	1962c2₁₃	1962c3₁₃
Base 14	129d88₁₄	129d89₁₄
Base 15	ca365₁₅	ca366₁₅
Base 16	9cbe4₁₆	9cbe5₁₆