Compare 661421 vs 661427

Property	661421	661427
Type	prime	composite number
Unique factors	1	3
Total factors	1	3
Prime factorization	661421¹	13¹ × 83¹ × 613¹
Prime factorization	661421	13 × 83 × 613
Divisors count	2	8
Divisors	1, 661421	1, 13, 83, 613, 1079, 7969, 50879, 661427
Number of properties	5	0
Cousin primes (2nd member)	5786th
Happy primes	7610th
Isolated primes	42096th
Primes	53679th
Sophie germain primes	5457th
Roman numberals
Base 2	10100001011110101101₂	10100001011110110011₂
Base 3	1020121022002₃	1020121022022₃
Base 4	2201132231₄	2201132303₄
Base 5	132131141₅	132131202₅
Base 6	22102045₆	22102055₆
Base 7	5423225₇	5423234₇
Base 8	2413655₈	2413663₈
Base 9	1217262₉	1217268₉
Base 10	661421₁₀	661427₁₀
Base 11	411a32₁₁	411a38₁₁
Base 12	27a925₁₂	27a92b₁₂
Base 13	1a2097₁₃	1a20a0₁₃
Base 14	133085₁₄	13308b₁₄
Base 15	d0e9b₁₅	d0ea2₁₅
Base 16	a17ad₁₆	a17b3₁₆