Compare 212207 vs 212215

Property	212207	212215
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	212207¹	5¹ × 42443¹
Prime factorization	212207	5 × 42443
Divisors count	2	4
Divisors	1, 212207	1, 5, 42443, 212215
Number of properties	7	1
Chen primes	7934th
Cousin primes (2nd member)	2251st
Long primes	7103rd
Primes	18991st
Prime triplets (2nd member)	884th
Safe primes	1237th
Semiprimes		47834th
Twin primes (1st member)	2273rd
Roman numberals
Base 2	110011110011101111₂	110011110011110111₂
Base 3	101210002112₃	101210002211₃
Base 4	303303233₄	303303313₄
Base 5	23242312₅	23242330₅
Base 6	4314235₆	4314251₆
Base 7	1542452₇	1542463₇
Base 8	636357₈	636367₈
Base 9	353075₉	353084₉
Base 10	212207₁₀	212215₁₀
Base 11	135486₁₁	135493₁₁
Base 12	a297b₁₂	a2987₁₂
Base 13	75788₁₃	75793₁₃
Base 14	57499₁₄	574a3₁₄
Base 15	42d22₁₅	42d2a₁₅
Base 16	33cef₁₆	33cf7₁₆