Names of 1243
| Nominal | 1243 |
| Cardinal | one thousand two hundred forty-three |
| Ordinal | 1,243rd |
| This number as US currency | one thousand two hundred forty-three dollars |
| Is 1243 an odd number? | 1243 is an odd number |
| Is 1243 an even number? | 1243 is NOT an even number |
| Is 1243 a palindrome? | 1243 is NOT a palindrome number |
| Is 1243 a triangle number? | 1243 is NOT a triangle number |
1243 in other Bases
| Base 2 (Binary) | 100110110112 |
| Base 3 (Ternary) | 12010013 |
| Base 4 (Quaternary) | 1031234 |
| Base 5 (Quinary) | 144335 |
| Base 6 (Senary) | 54316 |
| Base 8 (Octal) | 23338 |
| Base 12 (Duodecimal) | 87712 |
| Base 16 (Hexadecimal) | 4DB16 |
| Base 20 (Vigesimal) | 32320 |
Primes and Factors tests for 1243
| Is 1243 a Prime Number? | 1243 is NOT a prime |
| Is 1243 a perfect number? | 1243 is NOT a perfect number |
| Is 1243 a Mersenne Prime? | 1243 is NOT a Mersenne prime |
| Is 1243 a Fermat Prime? | 1243 is NOT a Fermat prime |
| Is 1243 a Fibonacci Prime? | 1243 is NOT a Fibonacci prime |
| Is 1243 a Partition Prime? | 1243 is NOT a Partition prime |
| Is 1243 a Pell Prime? | 1243 is NOT a Pell prime |
| Prime Factors | Prime factors of 1243 |
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1243 in other Numerals
| 1243 in Roman Numeral | MCCXLIII |
| 1243 in Chinese Numeral | 壹仟貳佰肆拾叄 |
| 1243 in Egyptian Numeral | 𓆼𓍣𓎉𓏼 |
| 1243 in Babylonian Numeral |   |
Roots and stuff for 1243
| Is 1243 a square number? | 1243 is NOT a square number |
| Is 1243 a cube number? | 1243 is NOT a cube number |
| Square root of the number 1243 | 35.256205127608 |
| Cube root of the number 1243 | 10.752027740799 |
Recreational math for 1243
| Number 1243 reversed | 3421 |
| Sum of the digits | 10 |
| No of digits | 4 |