Number 121

Representations of 121
Greek numeral
ρκαʹ
Sanskrit numeral
१२१
Arabic numeral
١٢١
Roman numeral
CXXI
Maya numeral
●
▃▃▃▃▃
●
Chinese numeral
一百二十一
Hebrew numeral
קכא
121 in different numeral systems
Binary
1111001
Base-3
11111
Base-4
1321
Base-5
441
Base-6
321
Base-7
232
Base-8
171
Duodecimal
a1
Hex
79
Vigesimal
61
Base-24
51
Base-36
3d
Negabinary
110001001
Factorization
Prime factors
11
Divisors
1, 11, 121
Sum of divisors other than 121
12
Product of prime factors
121 = 11 x 11
Characteristics
Square Perfect Power Difference of 2 squares Palindromic Smith Odd Composite Deficient
Related primes
Number 121 prime
661
Prime number before 121
113
Prime number after 121
127