Compare 205988 vs 205991

Property	205988	205991
Type	composite number	prime
Unique factors	3	1
Total factors	4	1
Prime factorization	2² × 23¹ × 2239¹	205991¹
Prime factorization	2 × 2 × 23 × 2239	205991
Divisors count	12	2
Divisors	1, 2, 4, 23, 46, 92, 2239, 4478, 8956, 51497, 102994, 205988	1, 205991
Number of properties	0	5
Chen primes		7717th
Happy primes		2810th
Primes		18463rd
Twin primes (1st member)		2211th
Ulam primes		1331st
Roman numberals
Base 2	110010010010100100₂	110010010010100111₂
Base 3	101110120012₃	101110120022₃
Base 4	302102210₄	302102213₄
Base 5	23042423₅	23042431₅
Base 6	4225352₆	4225355₆
Base 7	1515356₇	1515362₇
Base 8	622244₈	622247₈
Base 9	343505₉	343508₉
Base 10	205988₁₀	205991₁₀
Base 11	130842₁₁	130845₁₁
Base 12	9b258₁₂	9b25b₁₂
Base 13	729b3₁₃	729b6₁₃
Base 14	550d6₁₄	550d9₁₄
Base 15	41078₁₅	4107b₁₅
Base 16	324a4₁₆	324a7₁₆