# Number 28

### Names of 28

 Nominal 28 Cardinal twenty-eight Ordinal 28th This number as US currency twenty-eight dollars

### Properties (and some facts) of 28

 Is 28 an odd number? 28 is NOT an odd number Is 28 an even number? 28 is an even number Is 28 a palindrome? 28 is NOT a palindrome number Is 28 a triangle number? 28 is a triangle number

### 28 in other Bases

 Base 2 (Binary) 111002 Base 3 (Ternary) 10013 Base 4 (Quaternary) 1304 Base 5 (Quinary) 1035 Base 6 (Senary) 446 Base 8 (Octal) 348 Base 12 (Duodecimal) 2412 Base 16 (Hexadecimal) 1C16 Base 20 (Vigesimal) 1820

### Primes and Factors tests for 28

 Is 28 a Prime Number? 28 is NOT a prime Is 28 a perfect number? 28 is a perfect number Is 28 a Mersenne Prime? 28 is NOT a Mersenne prime Is 28 a Fermat Prime? 28 is NOT a Fermat prime Is 28 a Fibonacci Prime? 28 is NOT a Fibonacci prime Is 28 a Partition Prime? 28 is NOT a Partition prime Is 28 a Pell Prime? 28 is NOT a Pell prime Prime Factors Prime factors of 28

### 28 in other Numerals

 28 in Roman Numeral XXVIII 28 in Chinese Numeral 貳拾捌 28 in Egyptian Numeral 𓎇𓐁 28 in Babylonian Numeral

### Roots and stuff for 28

 Is 28 a square number? 28 is NOT a square number Is 28 a cube number? 28 is NOT a cube number Square root of the number 28 5.2915026221292 Cube root of the number 28 3.0365889718757

### Recreational math for 28

 Number 28 reversed 82 Sum of the digits 10 No of digits 2

### Arithmetic Tables for 28

 Multiplication Table 28 Addition Table 28 Subtraction Table 28 Division Table 28 Base 28 Multiplication Table Base 28 addition Table