1440
Everything about the number 1440 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
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Names of 1440
| Nominal | 1440 |
| Cardinal | one thousand four hundred forty |
| Ordinal | 1,440th |
| This number as US currency | one thousand four hundred forty dollars |
Properties (and some facts) of 1440
| Is 1440 an odd number? | 1440 is not an odd number |
| Is 1440 an even number? | 1440 is an even number |
| Is 1440 a palindrome? | 1440 is not a palindrome |
| Is 1440 a triangle number? | 1440 is not a triangle number |
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1440 in other bases
| Base 2 (Binary) | 10110100000 |
| Base 3 (Ternary) | 1222100 |
| Base 4 (Quaternary) | 112200 |
| Base 5 (Quinary) | 21230 |
| Base 6 (Senary) | 10400 |
| Base 8 (Octal) | 2640 |
| Base 12 (Duodecimal) | A00 |
| Base 16 (Hexadecimal) | 5A0 |
| Base 20 (Vigesimal) | 3C0 |
Primes and factors tests for 1440
| Is 1440 a prime number? | 1440 is not a prime number |
| Is 1440 a perfect number? | 1440 is not a perfect number |
| Is 1440 a Mersenne prime? | 1440 is not a Mersenne prime |
| Is 1440 a Fermat prime? | 1440 is not a Fermat prime |
| Is 1440 a Fibonacci prime? | 1440 is not a Fibonacci prime |
| Is 1440 a partition prime? | 1440 is not a partition prime |
| Is 1440 a Pell prime? | 1440 is not a Pell prime |
| Prime Factors | Prime factors of 1440 |
1440 in other numeral systems
| 1440 in Roman numerals | MCDXL |
| 1440 in Chinese numerals | 壹仟肆佰肆拾 |
| 1440 in Babylonian numerals |  |
| 1440 in Egyptian numerals | 𓆼𓍥𓎉 |
Roots and squares for 1440
| Is 1440 a square number? | 1440 is not a square number |
| Is 1440 a cube number? | 1440 is not a cube number |
| Square root of 1440 | 37.947331922021 |
| Cube root of 1440 | 11.292432346572 |
Recreational math for 1440
| Number 1440 reversed | 0441 |
| Sum of the digits | 9 |
| Number of digits | 4 |
Arithmetic tables for 1440
Other pages about 1440
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