Compare 209801 vs 209807

Property	209801	209807
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	209801¹	13¹ × 16139¹
Prime factorization	209801	13 × 16139
Divisors count	2	4
Divisors	1, 209801	1, 13, 16139, 209807
Number of properties	6	1
Chen primes	7848th
Harmonic primes	7035th
Isolated primes	14287th
Primes	18788th
Pythagorean primes	9382nd
Semiprimes		47323rd
Sophie germain primes	2137th
Roman numberals
Base 2	110011001110001001₂	110011001110001111₂
Base 3	101122210102₃	101122210122₃
Base 4	303032021₄	303032033₄
Base 5	23203201₅	23203212₅
Base 6	4255145₆	4255155₆
Base 7	1532444₇	1532453₇
Base 8	631611₈	631617₈
Base 9	348712₉	348718₉
Base 10	209801₁₀	209807₁₀
Base 11	133699₁₁	1336a4₁₁
Base 12	a14b5₁₂	a14bb₁₂
Base 13	74657₁₃	74660₁₃
Base 14	5665b₁₄	56663₁₄
Base 15	4226b₁₅	42272₁₅
Base 16	33389₁₆	3338f₁₆