Compare 399220 vs 399221

Property	399220	399221
Type	composite number	prime
Unique factors	3	1
Total factors	4	1
Prime factorization	2² × 5¹ × 19961¹	399221¹
Prime factorization	2 × 2 × 5 × 19961	399221
Divisors count	12	2
Divisors	1, 2, 4, 5, 10, 20, 19961, 39922, 79844, 99805, 199610, 399220	1, 399221
Number of properties	0	5
Chen primes		13642nd
Isolated primes		26207th
Primes		33798th
Sexy primes (1st member)		7640th
Sophie germain primes		3586th
Roman numberals
Base 2	1100001011101110100₂	1100001011101110101₂
Base 3	202021121221₃	202021121222₃
Base 4	1201131310₄	1201131311₄
Base 5	100233340₅	100233341₅
Base 6	12320124₆	12320125₆
Base 7	3251623₇	3251624₇
Base 8	1413564₈	1413565₈
Base 9	667557₉	667558₉
Base 10	399220₁₀	399221₁₀
Base 11	252a38₁₁	252a39₁₁
Base 12	173044₁₂	173045₁₂
Base 13	10c933₁₃	10c934₁₃
Base 14	a56ba₁₄	a56bb₁₄
Base 15	7d44a₁₅	7d44b₁₅
Base 16	61774₁₆	61775₁₆