Compare 206905 vs 206909

Property	206905	206909
Type	semiprime	prime
Unique factors	2	1
Total factors	2	1
Prime factorization	5¹ × 41381¹	206909¹
Prime factorization	5 × 41381	206909
Divisors count	4	2
Divisors	1, 5, 41381, 206905	1, 206909
Number of properties	1	6
Chen primes		7751st
Good primes		1045th
Primes		18539th
Pythagorean primes		9250th
Semiprimes	46727th
Super primes		2123rd
Twin primes (1st member)		2219th
Roman numberals
Base 2	110010100000111001₂	110010100000111101₂
Base 3	101111211011₃	101111211022₃
Base 4	302200321₄	302200331₄
Base 5	23110110₅	23110114₅
Base 6	4233521₆	4233525₆
Base 7	1521136₇	1521143₇
Base 8	624071₈	624075₈
Base 9	344734₉	344738₉
Base 10	206905₁₀	206909₁₀
Base 11	1314a6₁₁	1314aa₁₁
Base 12	9b8a1₁₂	9b8a5₁₂
Base 13	7323a₁₃	73241₁₃
Base 14	5558d₁₄	55593₁₄
Base 15	4148a₁₅	4148e₁₅
Base 16	32839₁₆	3283d₁₆