Compare 643 vs 643

Property	643	643
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	643¹	643¹
Prime factorization	643	643
Divisors count	2	2
Divisors	1, 643	1, 643
Number of properties	7	7
Additive primes	63rd	63rd
Cousin primes (1st member)	29th	29th
Left-truncatable primes	38th	38th
Lucky primes	33rd	33rd
Primes	117th	117th
Prime triplets (2nd member)	24th	24th
Twin primes (2nd member)	29th	29th
Roman numberals	DCXLIII	DCXLIII
Base 2	1010000011₂	1010000011₂
Base 3	212211₃	212211₃
Base 4	22003₄	22003₄
Base 5	10033₅	10033₅
Base 6	2551₆	2551₆
Base 7	1606₇	1606₇
Base 8	1203₈	1203₈
Base 9	784₉	784₉
Base 10	643₁₀	643₁₀
Base 11	535₁₁	535₁₁
Base 12	457₁₂	457₁₂
Base 13	3a6₁₃	3a6₁₃
Base 14	33d₁₄	33d₁₄
Base 15	2cd₁₅	2cd₁₅
Base 16	283₁₆	283₁₆