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166 (number)

From Wikipedia, the free encyclopedia
Natural number
← 165166 167 →
Cardinalone hundred sixty-six
Ordinal166th
(one hundred sixty-sixth)
Factorization2 × 83
Divisors1, 2, 83, 166
Greek numeralΡΞϚ´
Roman numeralCLXVI,clxvi
Binary101001102
Ternary200113
Senary4346
Octal2468
Duodecimal11A12
HexadecimalA616

166 (one hundred [and] sixty-six) is thenatural number following165 and preceding167.

In mathematics

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166 is an even number and acomposite number. It is acentered triangular number.[1]

Given 166, theMertens function returns 0. 166 is aSmith number inbase 10.[2]

166 inRoman numerals consists of the first 5 symbols, CLXVI.

External links

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Wikimedia Commons has media related to166 (number).

References

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  1. ^"Sloane's A005448 : Centered triangular numbers".The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved2016-05-28.
  2. ^"Sloane's A006753 : Smith numbers".The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved2016-05-28.
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