1220
Everything about the number 1220 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
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Names of 1220
| Nominal | 1220 |
| Cardinal | one thousand two hundred twenty |
| Ordinal | 1,220th |
| This number as US currency | one thousand two hundred twenty dollars |
Properties (and some facts) of 1220
| Is 1220 an odd number? | 1220 is not an odd number |
| Is 1220 an even number? | 1220 is an even number |
| Is 1220 a palindrome? | 1220 is not a palindrome |
| Is 1220 a triangle number? | 1220 is not a triangle number |
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1220 in other bases
| Base 2 (Binary) | 10011000100 |
| Base 3 (Ternary) | 1200012 |
| Base 4 (Quaternary) | 103010 |
| Base 5 (Quinary) | 14340 |
| Base 6 (Senary) | 5352 |
| Base 8 (Octal) | 2304 |
| Base 12 (Duodecimal) | 858 |
| Base 16 (Hexadecimal) | 4C4 |
| Base 20 (Vigesimal) | 310 |
Primes and factors tests for 1220
| Is 1220 a prime number? | 1220 is not a prime number |
| Is 1220 a perfect number? | 1220 is not a perfect number |
| Is 1220 a Mersenne prime? | 1220 is not a Mersenne prime |
| Is 1220 a Fermat prime? | 1220 is not a Fermat prime |
| Is 1220 a Fibonacci prime? | 1220 is not a Fibonacci prime |
| Is 1220 a partition prime? | 1220 is not a partition prime |
| Is 1220 a Pell prime? | 1220 is not a Pell prime |
| Prime Factors | Prime factors of 1220 |
1220 in other numeral systems
| 1220 in Roman numerals | MCCXX |
| 1220 in Chinese numerals | 壹仟貳佰貳拾 |
| 1220 in Babylonian numerals |  |
| 1220 in Egyptian numerals | 𓆼𓍣𓎇 |
Roots and squares for 1220
| Is 1220 a square number? | 1220 is not a square number |
| Is 1220 a cube number? | 1220 is not a cube number |
| Square root of 1220 | 34.928498393146 |
| Cube root of 1220 | 10.685297301489 |
Recreational math for 1220
| Number 1220 reversed | 0221 |
| Sum of the digits | 5 |
| Number of digits | 4 |
Arithmetic tables for 1220
Other pages about 1220
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