Compare 661421 vs 662141

Property	661421	662141
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	661421¹	662141¹
Prime factorization	661421	662141
Divisors count	2	2
Divisors	1, 661421	1, 662141
Number of properties	5	4
Chen primes		21013th
Cousin primes (2nd member)	5786th
Happy primes	7610th	7617th
Isolated primes	42096th
Primes	53679th	53727th
Sophie germain primes	5457th
Twin primes (1st member)		5796th
Roman numberals
Base 2	10100001011110101101₂	10100001101001111101₂
Base 3	1020121022002₃	1020122021202₃
Base 4	2201132231₄	2201221331₄
Base 5	132131141₅	132142031₅
Base 6	22102045₆	22105245₆
Base 7	5423225₇	5425304₇
Base 8	2413655₈	2415175₈
Base 9	1217262₉	1218252₉
Base 10	661421₁₀	662141₁₀
Base 11	411a32₁₁	412527₁₁
Base 12	27a925₁₂	27b225₁₂
Base 13	1a2097₁₃	1a24cc₁₃
Base 14	133085₁₄	13343b₁₄
Base 15	d0e9b₁₅	d12cb₁₅
Base 16	a17ad₁₆	a1a7d₁₆