The number 8128

Representation numerals

Greek numeral

͵ηρκηʹ

Arabic numeral

٨١٢٨

Roman numeral

VMMMCXXVIII

Maya numeral



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Chinese numeral

八千一百二十八

Hebrew numeral

ח׳ קכח
Numeral systems
Binary: 1111111000000
Septimal (base 7): 32461
Octal: 17700
Hexadecimal: 1fc0
Base 24: E2G
Factorization
8128 = 2 × 2 × 2 × 2 × 2 × 2 × 127
8128 has 14 divisors: 1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 2032, 4064, 8128
Sum of all divisors other than 8128: 8128
Sums & differences
Difference of 2 squares: 8128 = 1432 - 1112 = 2622 - 2462 = 5122 - 5042 = 10182 - 10142 = 20332 - 20312
Goldbach conjecture: 8128 = 8123 + 5 = 8117 + 11 = 8111 + 17 = 8087 + 41 = 8081 + 47 = 8069 + 59 = 8039 + 89 = 7949 + 179 = 7937 + 191 = 7901 + 227 = . . . (only the first 10 pairs are shown)
Characteristics
8128 is a perfect number
(a number is perfect if it’s equal to the sum of its divisors other than itself)
8128 is a triangular number
The next triangular is: 8256
8128 is a hexagonal number
Related primes
The 8128th prime number is: 83243
Previous prime number: 8123 — Next prime number: 8147
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