Number 6440

Representations of 6440
Greek numeral
͵ϛυμ
Sanskrit numeral
६४४०
Arabic numeral
٦٤٤٠
Roman numeral
VMCDXL
Maya numeral
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ↂ
Chinese numeral
六千四百四十
Hebrew numeral
ו׳ תמ
6440 in different numeral systems
Binary
1100100101000
Base-3
22211112
Base-4
1210220
Base-5
201230
Base-6
45452
Base-7
24530
Base-8
14450
Duodecimal
3888
Hex
1928
Vigesimal
g20
Base-24
b48
Base-36
4yw
Negabinary
110100101111000
Factorization
Prime factors
2, 5, 7, 23
Divisors
1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440
Sum of divisors other than 6440
10840
Product of prime factors
6440 = 2 x 2 x 2 x 5 x 7 x 23
Characteristics
Difference of 2 squares Harshad Even Composite Abundant
Related primes
Number 6440 prime
64319
Prime number before 6440
6427
Prime number after 6440
6449