Compare 42640 vs 42643

Property	42640	42643
Type	composite number	prime
Unique factors	4	1
Total factors	7	1
Prime factorization	2⁴ × 5¹ × 13¹ × 41¹	42643¹
Prime factorization	2 × 2 × 2 × 2 × 5 × 13 × 41	42643
Divisors count	40	2
Divisors	1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1640, 2132, 2665, 3280, 4264, 5330, 8528, 10660, 21320, 42640	1, 42643
Number of properties	0	6
Additive primes		1991st
Lucky primes		651st
Primes		4457th
Sexy primes (1st member)		1264th
Super primes		606th
Twin primes (2nd member)		620th
Roman numberals
Base 2	1010011010010000₂	1010011010010011₂
Base 3	2011111021₃	2011111101₃
Base 4	22122100₄	22122103₄
Base 5	2331030₅	2331033₅
Base 6	525224₆	525231₆
Base 7	235213₇	235216₇
Base 8	123220₈	123223₈
Base 9	64437₉	64441₉
Base 10	42640₁₀	42643₁₀
Base 11	2a044₁₁	2a047₁₁
Base 12	20814₁₂	20817₁₂
Base 13	16540₁₃	16543₁₃
Base 14	1177a₁₄	1177d₁₄
Base 15	c97a₁₅	c97d₁₅
Base 16	a690₁₆	a693₁₆