Number 121

Interestingness: 14 · Rank #43 of 1000

Visual representations

Binary image (n×n bits)
Square · P4(11) = 121
11²
Prime factorization

Representations of 121

ρκαʹ
१२१

▃▃▃▃▃

一百二十一
𓈖
𓎆𓎆
𓏹
.----..---.----

121 in different numeral systems

Binary
Base-3
Base-4
Base-5
Base-6
Base-7
Base-8
Duodecimal
a1
Hex
Vigesimal
Base-24
Base-36
3d
Negabinary

Factorization

Prime factors: 11
Divisors: 1, 11, 121
Sum of divisors other than 121: 12
Product of prime factors: 121 = 11 × 11

Number-theory characteristics (8)

Square Perfect Power Difference of 2 squares Odious number Powerful number Odd Composite Deficient

Base-10 digit properties (2)

These depend on the decimal representation of the number.

Palindromic Smith

Related primes

Number 121 prime
Prime number before 121
Prime number after 121