Compare 621983 vs 621990

Property	621983	621990
Type	prime	composite number
Unique factors	1	4
Total factors	1	5
Prime factorization	621983¹	2¹ × 3² × 5¹ × 6911¹
Prime factorization	621983	2 × 3 × 3 × 5 × 6911
Divisors count	2	24
Divisors	1, 621983	1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 6911, 13822, 20733, 34555, 41466, 62199, 69110, 103665, 124398, 207330, 310995, 621990
Number of properties	4	0
Additive primes	19847th
Isolated primes	39779th
Primes	50758th
Sophie germain primes	5179th
Roman numberals
Base 2	10010111110110011111₂	10010111110110100110₂
Base 3	1011121012102₃	1011121012200₃
Base 4	2113312133₄	2113312212₄
Base 5	124400413₅	124400430₅
Base 6	21155315₆	21155330₆
Base 7	5200235₇	5200245₇
Base 8	2276637₈	2276646₈
Base 9	1147172₉	1147180₉
Base 10	621983₁₀	621990₁₀
Base 11	39533a₁₁	395346₁₁
Base 12	25bb3b₁₂	25bb46₁₂
Base 13	18a14b₁₃	18a155₁₃
Base 14	122955₁₄	12295c₁₄
Base 15	c4458₁₅	c4460₁₅
Base 16	97d9f₁₆	97da6₁₆