121 information.
Roman numerals are represented by seven different letters: I, V, X, L, C, D and M. Which represent the numbers 1, 5, 10, 50, 100, 500 and 1,000. These seven letters are used to make thousands of numbers.
For example 122 is CXXII.
Change language121 in English words
one hundred twenty-one
odd
Square root
11
Binary number
1111001
121 in Fibonacci Sequence
No
This number consist from
3 digits
Sum of 3 digits (1+2+1)
4
Composite number (opposite to prime number).
a Chinese checkerboard has 121 holes
Mentions:121