The number 84

Representation numerals

Greek numeral

πδʹ

Arabic numeral

٨٤

Roman numeral

LXXXIV

Maya numeral

●●●●
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Chinese numeral

八十四

Hebrew numeral

פד
Numeral systems
Binary: 1010100
Septimal (base 7): 150
Octal: 124
Hexadecimal: 54
Base 24: 3C
Factorization
84 = 2 × 2 × 3 × 7
84 has 12 divisors: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
Sum of all divisors other than 84: 140
Sums & differences
Difference of 2 squares: 84 = 102 - 42 = 222 - 202
Goldbach conjecture: 84 = 79 + 5 = 73 + 11 = 71 + 13 = 67 + 17 = 61 + 23 = 53 + 31 = 47 + 37 = 43 + 41
Characteristics
Related primes
The 84th prime number is: 433
Previous prime number: 83 — Next prime number: 89
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