Science Fair Project Encyclopedia
167 (number)
167 is the number equal to 100 + 60 + 7.
| Ordinal | One hundred [and] sixty-seven |
| Cardinal | 167th |
| Factorization | Prime |
| Roman numeral | CLXVII |
| Binary | 10100111 |
| Hexadecimal | A7 |
It is a prime number and a safe prime number.
It is also the smallest number k with exactly 15 solutions to the equation x - φ(x) = k, making it a highly cototient number.
It is the smallest multi-digit prime such that the product of digits is equal to the number of digits times the sum of the digits. I. e., 1*6*7 = 3*(1+6+7).
167 is a strictly non-palindromic number, it is not palindromic in any base from base 2 to base 165.
Uses
- The year 167
External links
Last updated: 09-29-2005 05:48:41
10-26-2009 08:16:03
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details