Compare 257216 vs 257221

Property	257216	257221
Type	composite number	prime
Unique factors	2	1
Total factors	7	1
Prime factorization	2⁶ × 4019¹	257221¹
Prime factorization	2 × 2 × 2 × 2 × 2 × 2 × 4019	257221
Divisors count	14	2
Divisors	1, 2, 4, 8, 16, 32, 64, 4019, 8038, 16076, 32152, 64304, 128608, 257216	1, 257221
Number of properties	0	7
Additive primes		9138th
Harmonic primes		8418th
Long primes		8464th
Lucky primes		2813th
Primes		22613th
Super primes		2525th
Twin primes (2nd member)		2642nd
Roman numberals
Base 2	111110110011000000₂	111110110011000101₂
Base 3	111001211112₃	111001211201₃
Base 4	332303000₄	332303011₄
Base 5	31212331₅	31212341₅
Base 6	5302452₆	5302501₆
Base 7	2120621₇	2120626₇
Base 8	766300₈	766305₈
Base 9	431745₉	431751₉
Base 10	257216₁₀	257221₁₀
Base 11	166283₁₁	166288₁₁
Base 12	104a28₁₂	104a31₁₂
Base 13	900cb₁₃	90103₁₃
Base 14	69a48₁₄	69a4d₁₄
Base 15	5132b₁₅	51331₁₅
Base 16	3ecc0₁₆	3ecc5₁₆