Compare 681839 vs 681845

Property	681839	681845
Type	prime	composite number
Unique factors	1	4
Total factors	1	4
Prime factorization	681839¹	5¹ × 31¹ × 53¹ × 83¹
Prime factorization	681839	5 × 31 × 53 × 83
Divisors count	2	16
Divisors	1, 681839	1, 5, 31, 53, 83, 155, 265, 415, 1643, 2573, 4399, 8215, 12865, 21995, 136369, 681845
Number of properties	6	0
Chen primes	21550th
Primes	55204th
Safe primes	3177th
Sexy primes (2nd member)	11873rd
Sophie germain primes	5599th
Twin primes (1st member)	5949th
Roman numberals
Base 2	10100110011101101111₂	10100110011101110101₂
Base 3	1021122022022₃	1021122022112₃
Base 4	2212131233₄	2212131311₄
Base 5	133304324₅	133304340₅
Base 6	22340355₆	22340405₆
Base 7	5536604₇	5536613₇
Base 8	2463557₈	2463565₈
Base 9	1248268₉	1248275₉
Base 10	681839₁₀	681845₁₀
Base 11	426304₁₁	42630a₁₁
Base 12	28a6bb₁₂	28a705₁₂
Base 13	1ab472₁₃	1ab478₁₃
Base 14	13a6ab₁₄	13a6b3₁₄
Base 15	d705e₁₅	d7065₁₅
Base 16	a676f₁₆	a6775₁₆