166 (one hundred [and] sixty-six) is the natural number following 165 and preceding 167.
In mathematics
166 is an even number and a composite number. It is a centered triangular number.[1]
Given 166, the Mertens function returns 0. 166 is a Smith number in base 10.[2]
166 in Roman numerals consists of the first 5 symbols, CLXVI.
External links
- Number Facts and Trivia: 166
- The Number 166
- VirtueScience: 166 Archived 2011-06-07 at the Wayback Machine
- 166th Street (3rd Avenue El)
References
- ^ "Sloane's A005448 : Centered triangular numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-28.
- ^ "Sloane's A006753 : Smith numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-28.