NumDic.com
Number:
The number 87
Representation numerals
Greek numeral
πζʹ
Arabic numeral
٨٧
Roman numeral
LXXXVII
Maya numeral
●●●●
●●
▃▃▃▃▃
Chinese numeral
八十七
Hebrew numeral
פז
Numeral systems
Binary: 1010111
Septimal
(base 7)
: 153
Octal: 127
Hexadecimal: 57
Base 24: 3F
Factorization
87 = 3 × 29
87 has 4 divisors: 1, 3, 29, 87
Sum of all divisors other than 87:
33
Sums & differences
87 is the sum of the first 4 squared prime numbers: 87 = 2
2
+ 3
2
+ 5
2
+ 7
2
Difference of 2 squares: 87 = 16
2
- 13
2
= 44
2
- 43
2
Characteristics
Related primes
The 87th prime number is:
449
Previous prime number:
83
— Next prime number:
89
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