Compare 680989 vs 680999

Property	680989	680999
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	680989¹	11¹ × 61909¹
Prime factorization	680989	11 × 61909
Divisors count	2	4
Divisors	1, 680989	1, 11, 61909, 680999
Number of properties	7	1
Cousin primes (1st member)	5944th
Happy primes	7818th
Lucky primes	6288th
Primes	55137th
Prime triplets (2nd member)	2163rd
Semiprimes		145507th
Twin primes (2nd member)	5941st
Ulam primes	4045th
Roman numberals
Base 2	10100110010000011101₂	10100110010000100111₂
Base 3	1021121010211₃	1021121011012₃
Base 4	2212100131₄	2212100213₄
Base 5	133242424₅	133242444₅
Base 6	22332421₆	22332435₆
Base 7	5534251₇	5534264₇
Base 8	2462035₈	2462047₈
Base 9	1247124₉	1247135₉
Base 10	680989₁₀	680999₁₀
Base 11	425701₁₁	425710₁₁
Base 12	28a111₁₂	28a11b₁₂
Base 13	1aac6a₁₃	1aac77₁₃
Base 14	13a261₁₄	13a26b₁₄
Base 15	d6b94₁₅	d6b9e₁₅
Base 16	a641d₁₆	a6427₁₆