166 (number)

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← 165 166 167 →
Cardinal one hundred sixty-six
Ordinal 166th
(one hundred sixty-sixth)
Factorization 2 × 83
Divisors 1, 2, 83, 166
Greek numeral ΡΞϚ´
Roman numeral CLXVI
Binary 101001102
Ternary 200113
Quaternary 22124
Quinary 11315
Senary 4346
Octal 2468
Duodecimal 11A12
Hexadecimal A616
Vigesimal 8620
Base 36 4M36

166 (one hundred [and] sixty-six) is the natural number following 165 and preceding 167.

In mathematics[edit]

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]

In astronomy[edit]

In the military[edit]

In sports[edit]

In transportation[edit]

In other fields[edit]

166 is also:

See also[edit]

External links[edit]

References[edit]

  1. ^ "Sloane's A005448 : Centered triangular numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-28. 
  2. ^ "Sloane's A006753 : Smith numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-28.