Compare 661421 vs 661429

Property	661421	661429
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	661421¹	677¹ × 977¹
Prime factorization	661421	677 × 977
Divisors count	2	4
Divisors	1, 661421	1, 677, 977, 661429
Number of properties	5	1
Cousin primes (2nd member)	5786th
Happy primes	7610th
Isolated primes	42096th
Primes	53679th
Semiprimes		141528th
Sophie germain primes	5457th
Roman numberals
Base 2	10100001011110101101₂	10100001011110110101₂
Base 3	1020121022002₃	1020121022101₃
Base 4	2201132231₄	2201132311₄
Base 5	132131141₅	132131204₅
Base 6	22102045₆	22102101₆
Base 7	5423225₇	5423236₇
Base 8	2413655₈	2413665₈
Base 9	1217262₉	1217271₉
Base 10	661421₁₀	661429₁₀
Base 11	411a32₁₁	411a3a₁₁
Base 12	27a925₁₂	27a931₁₂
Base 13	1a2097₁₃	1a20a2₁₃
Base 14	133085₁₄	13308d₁₄
Base 15	d0e9b₁₅	d0ea4₁₅
Base 16	a17ad₁₆	a17b5₁₆