Names of 2015
| Nominal | 2015 |
| Cardinal | two thousand fifteen |
| Ordinal | 2,015th |
| This number as US currency | two thousand fifteen dollars |
| Is 2015 an odd number? | 2015 is an odd number |
| Is 2015 an even number? | 2015 is NOT an even number |
| Is 2015 a palindrome? | 2015 is NOT a palindrome number |
| Is 2015 a triangle number? | 2015 is NOT a triangle number |
2015 in other Bases
| Base 2 (Binary) | 111110111112 |
| Base 3 (Ternary) | 22021223 |
| Base 4 (Quaternary) | 1331334 |
| Base 5 (Quinary) | 310305 |
| Base 6 (Senary) | 131556 |
| Base 8 (Octal) | 37378 |
| Base 12 (Duodecimal) | 11BB12 |
| Base 16 (Hexadecimal) | 7DF16 |
| Base 20 (Vigesimal) | 50F20 |
Primes and Factors tests for 2015
| Is 2015 a Prime Number? | 2015 is NOT a prime |
| Is 2015 a perfect number? | 2015 is NOT a perfect number |
| Is 2015 a Mersenne Prime? | 2015 is NOT a Mersenne prime |
| Is 2015 a Fermat Prime? | 2015 is NOT a Fermat prime |
| Is 2015 a Fibonacci Prime? | 2015 is NOT a Fibonacci prime |
| Is 2015 a Partition Prime? | 2015 is NOT a Partition prime |
| Is 2015 a Pell Prime? | 2015 is NOT a Pell prime |
| Prime Factors | Prime factors of 2015 |
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2015 in other Numerals
| 2015 in Roman Numeral | MMXV |
| 2015 in Chinese Numeral | 貳仟壹拾伍 |
| 2015 in Egyptian Numeral | 𓆽𓎆𓏾 |
| 2015 in Babylonian Numeral |   |
Roots and stuff for 2015
| Is 2015 a square number? | 2015 is NOT a square number |
| Is 2015 a cube number? | 2015 is NOT a cube number |
| Square root of the number 2015 | 44.888751374927 |
| Cube root of the number 2015 | 12.630630106603 |
Recreational math for 2015
| Number 2015 reversed | 5102 |
| Sum of the digits | 8 |
| No of digits | 4 |