Names of 11821
| Nominal | 11821 |
| Cardinal | eleven thousand eight hundred twenty-one |
| Ordinal | 11,821st |
| This number as US currency | eleven thousand eight hundred twenty-one dollars |
| Is 11821 an odd number? | 11821 is an odd number |
| Is 11821 an even number? | 11821 is NOT an even number |
| Is 11821 a palindrome? | 11821 is NOT a palindrome number |
| Is 11821 a triangle number? | 11821 is NOT a triangle number |
11821 in other Bases
| Base 2 (Binary) | 101110001011012 |
| Base 3 (Ternary) | 1210122113 |
| Base 4 (Quaternary) | 23202314 |
| Base 5 (Quinary) | 3342415 |
| Base 6 (Senary) | 1304216 |
| Base 8 (Octal) | 270558 |
| Base 12 (Duodecimal) | 6A1112 |
| Base 16 (Hexadecimal) | 2E2D16 |
| Base 20 (Vigesimal) | 19B120 |
Primes and Factors tests for 11821
| Is 11821 a Prime Number? | 11821 is a prime |
| Is 11821 a perfect number? | 11821 is NOT a perfect number |
| Is 11821 a Mersenne Prime? | 11821 is NOT a Mersenne prime |
| Is 11821 a Fermat Prime? | 11821 is NOT a Fermat prime |
| Is 11821 a Fibonacci Prime? | 11821 is NOT a Fibonacci prime |
| Is 11821 a Partition Prime? | 11821 is NOT a Partition prime |
| Is 11821 a Pell Prime? | 11821 is NOT a Pell prime |
| Prime Factors | Prime factors of 11821 |
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11821 in other Numerals
| 11821 in Roman Numeral | XMDCCCXXI |
| 11821 in Chinese Numeral | 壹萬壹仟捌佰貳拾壹 |
| 11821 in Egyptian Numeral | 𓂭𓆼𓍩𓎇𓏺 |
| 11821 in Babylonian Numeral |    |
Roots and stuff for 11821
| Is 11821 a square number? | 11821 is NOT a square number |
| Is 11821 a cube number? | 11821 is NOT a cube number |
| Square root of the number 11821 | 108.72442227945 |
| Cube root of the number 11821 | 22.779878626154 |
Recreational math for 11821
| Number 11821 reversed | 12811 |
| Sum of the digits | 13 |
| No of digits | 5 |