Names of 1720
| Nominal | 1720 |
| Cardinal | one thousand seven hundred twenty |
| Ordinal | 1,720th |
| This number as US currency | one thousand seven hundred twenty dollars |
| Is 1720 an odd number? | 1720 is NOT an odd number |
| Is 1720 an even number? | 1720 is an even number |
| Is 1720 a palindrome? | 1720 is NOT a palindrome number |
| Is 1720 a triangle number? | 1720 is NOT a triangle number |
1720 in other Bases
| Base 2 (Binary) | 110101110002 |
| Base 3 (Ternary) | 21002013 |
| Base 4 (Quaternary) | 1223204 |
| Base 5 (Quinary) | 233405 |
| Base 6 (Senary) | 115446 |
| Base 8 (Octal) | 32708 |
| Base 12 (Duodecimal) | BB412 |
| Base 16 (Hexadecimal) | 6B816 |
| Base 20 (Vigesimal) | 46020 |
Primes and Factors tests for 1720
| Is 1720 a Prime Number? | 1720 is NOT a prime |
| Is 1720 a perfect number? | 1720 is NOT a perfect number |
| Is 1720 a Mersenne Prime? | 1720 is NOT a Mersenne prime |
| Is 1720 a Fermat Prime? | 1720 is NOT a Fermat prime |
| Is 1720 a Fibonacci Prime? | 1720 is NOT a Fibonacci prime |
| Is 1720 a Partition Prime? | 1720 is NOT a Partition prime |
| Is 1720 a Pell Prime? | 1720 is NOT a Pell prime |
| Prime Factors | Prime factors of 1720 |
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1720 in other Numerals
| 1720 in Roman Numeral | MDCCXX |
| 1720 in Chinese Numeral | 壹仟柒佰貳拾 |
| 1720 in Egyptian Numeral | 𓆼𓍨𓎇 |
| 1720 in Babylonian Numeral |   |
Roots and stuff for 1720
| Is 1720 a square number? | 1720 is NOT a square number |
| Is 1720 a cube number? | 1720 is NOT a cube number |
| Square root of the number 1720 | 41.472882706655 |
| Cube root of the number 1720 | 11.98145282979 |
Recreational math for 1720
| Number 1720 reversed | 0271 |
| Sum of the digits | 10 |
| No of digits | 4 |