Compare 640679 vs 640687

Property	640679	640687
Type	composite number	prime
Unique factors	3	1
Total factors	4	1
Prime factorization	13² × 17¹ × 223¹	640687¹
Prime factorization	13 × 13 × 17 × 223	640687
Divisors count	12	2
Divisors	1, 13, 17, 169, 221, 223, 2873, 2899, 3791, 37687, 49283, 640679	1, 640687
Number of properties	0	5
Additive primes		20373rd
Cousin primes (1st member)		5637th
Isolated primes		40852nd
Primes		52127th
Super primes		5330th
Roman numberals
Base 2	10011100011010100111₂	10011100011010101111₂
Base 3	1012112211212₃	1012112212011₃
Base 4	2130122213₄	2130122233₄
Base 5	131000204₅	131000222₅
Base 6	21422035₆	21422051₆
Base 7	5305604₇	5305615₇
Base 8	2343247₈	2343257₈
Base 9	1175755₉	1175764₉
Base 10	640679₁₀	640687₁₀
Base 11	3a8396₁₁	3a83a3₁₁
Base 12	26a91b₁₂	26a927₁₂
Base 13	195800₁₃	195808₁₃
Base 14	1296ab₁₄	1296b5₁₄
Base 15	c9c6e₁₅	c9c77₁₅
Base 16	9c6a7₁₆	9c6af₁₆