Compare 661421 vs 661428

Property	661421	661428
Type	prime	composite number
Unique factors	1	4
Total factors	1	6
Prime factorization	661421¹	2² × 3² × 19¹ × 967¹
Prime factorization	661421	2 × 2 × 3 × 3 × 19 × 967
Divisors count	2	36
Divisors	1, 661421	1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 967, 1934, 2901, 3868, 5802, 8703, 11604, 17406, 18373, 34812, 36746, 55119, 73492, 110238, 165357, 220476, 330714, 661428
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	10100001011110110100₂
Base 3	1020121022002₃	1020121022100₃
Base 4	2201132231₄	2201132310₄
Base 5	132131141₅	132131203₅
Base 6	22102045₆	22102100₆
Base 7	5423225₇	5423235₇
Base 8	2413655₈	2413664₈
Base 9	1217262₉	1217270₉
Base 10	661421₁₀	661428₁₀
Base 11	411a32₁₁	411a39₁₁
Base 12	27a925₁₂	27a930₁₂
Base 13	1a2097₁₃	1a20a1₁₃
Base 14	133085₁₄	13308c₁₄
Base 15	d0e9b₁₅	d0ea3₁₅
Base 16	a17ad₁₆	a17b4₁₆