Number 225

Interestingness: 15 · Rank #32 of 1000

Visual representations

Binary image (n×n bits)
Octogonal · P8(9) = 225
Square · P4(15) = 225
3²5²
Prime factorization

Representations of 225

Greek numeral
σκεʹ
Sanskrit numeral
२२५
Arabic numeral
٢٢٥
Roman numeral
CCXXV
Maya numeral
●
▃▃▃▃▃
▃▃▃▃▃
▃▃▃▃▃
Chinese numeral
二百二十五
Hebrew numeral
רכה
Egyptian numeral
𓈖𓈖
𓎆𓎆
𓏹𓏹𓏹𓏹𓏹
Morse code
..---..---.....

225 in different numeral systems

Binary
11100001
Base-3
22100
Base-4
3201
Base-5
1400
Base-6
1013
Base-7
441
Base-8
341
Duodecimal
169
Hex
e1
Vigesimal
b5
Base-24
99
Base-36
69
Negabinary
100100001

Factorization

Prime factors: 3, 5
Divisors: 1, 3, 5, 9, 15, 25, 45, 75, 225
Sum of divisors other than 225: 178
Product of prime factors: 225 = 3 × 3 × 5 × 5

Number-theory characteristics (10)

Octogonal Square Perfect Power Difference of 2 squares Evil number Refactorable Powerful number Odd Composite Deficient

Base-10 digit properties (1)

These depend on the decimal representation of the number.

Harshad

Related primes

Number 225 prime
Prime number before 225
Prime number after 225