Compare 681409 vs 681418

Property	681409	681418
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	681409¹	2¹ × 340709¹
Prime factorization	681409	2 × 340709
Divisors count	2	4
Divisors	1, 681409	1, 2, 340709, 681418
Number of properties	6	1
Lucky primes	6291st
Primes	55171st
Prime triplets (3rd member)	2166th
Semiprimes		145584th
Sexy primes (2nd member)	11867th
Super primes	5606th
Twin primes (2nd member)	5946th
Roman numberals
Base 2	10100110010111000001₂	10100110010111001010₂
Base 3	1021121201101₃	1021121201201₃
Base 4	2212113001₄	2212113022₄
Base 5	133301114₅	133301133₅
Base 6	22334401₆	22334414₆
Base 7	5535421₇	5535433₇
Base 8	2462701₈	2462712₈
Base 9	1247641₉	1247651₉
Base 10	681409₁₀	681418₁₀
Base 11	425a53₁₁	425a61₁₁
Base 12	28a401₁₂	28a40a₁₂
Base 13	1ab201₁₃	1ab20a₁₃
Base 14	13a481₁₄	13a48a₁₄
Base 15	d6d74₁₅	d6d7d₁₅
Base 16	a65c1₁₆	a65ca₁₆