# Number 11

### Names of 11

 Nominal 11 Cardinal eleven Ordinal 11th This number as US currency eleven dollars

### Properties (and some facts) of 11

 Is 11 an odd number? 11 is an odd number Is 11 an even number? 11 is NOT an even number Is 11 a palindrome? 11 is a palindrome number Is 11 a triangle number? 11 is NOT a triangle number

### 11 in other Bases

 Base 2 (Binary) 10112 Base 3 (Ternary) 1023 Base 4 (Quaternary) 234 Base 5 (Quinary) 215 Base 6 (Senary) 156 Base 8 (Octal) 138 Base 12 (Duodecimal) B12 Base 16 (Hexadecimal) B16 Base 20 (Vigesimal) B20

### Primes and Factors tests for 11

 Is 11 a Prime Number? 11 is a prime Is 11 a perfect number? 11 is NOT a perfect number Is 11 a Mersenne Prime? 11 is NOT a Mersenne prime Is 11 a Fermat Prime? 11 is NOT a Fermat prime Is 11 a Fibonacci Prime? 11 is NOT a Fibonacci prime Is 11 a Partition Prime? 11 is a Partition prime Is 11 a Pell Prime? 11 is NOT a Pell prime Prime Factors Prime factors of 11

### 11 in other Numerals

 11 in Roman Numeral XI 11 in Chinese Numeral 壹拾壹 11 in Egyptian Numeral 𓎆𓏺 11 in Babylonian Numeral

### Roots and stuff for 11

 Is 11 a square number? 11 is NOT a square number Is 11 a cube number? 11 is NOT a cube number Square root of the number 11 3.3166247903554 Cube root of the number 11 2.2239800905693

### Recreational math for 11

 Number 11 reversed 11 Sum of the digits 2 No of digits 2

### Arithmetic Tables for 11

 Multiplication Table 11 Addition Table 11 Subtraction Table 11 Division Table 11 Base 11 Multiplication Table Base 11 addition Table