Compare 209821 vs 209822

Property	209821	209822
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	209821¹	2¹ × 104911¹
Prime factorization	209821	2 × 104911
Divisors count	2	4
Divisors	1, 209821	1, 2, 104911, 209822
Number of properties	5	1
Chen primes	7850th
Harmonic primes	7037th
Primes	18792nd
Pythagorean primes	9385th
Semiprimes		47324th
Twin primes (2nd member)	2252nd
Roman numberals
Base 2	110011001110011101₂	110011001110011110₂
Base 3	101122211011₃	101122211012₃
Base 4	303032131₄	303032132₄
Base 5	23203241₅	23203242₅
Base 6	4255221₆	4255222₆
Base 7	1532503₇	1532504₇
Base 8	631635₈	631636₈
Base 9	348734₉	348735₉
Base 10	209821₁₀	209822₁₀
Base 11	133707₁₁	133708₁₁
Base 12	a1511₁₂	a1512₁₂
Base 13	74671₁₃	74672₁₃
Base 14	56673₁₄	56674₁₄
Base 15	42281₁₅	42282₁₅
Base 16	3339d₁₆	3339e₁₆