166 (number)

166 (one hundred sixty-six) is a whole number. It comes after 165 and before 167.

← 165 166 167 →
Cardinalone hundred sixty-six
Ordinal166th
(one hundred sixty-sixth)
Factorization2 × 83
Greek numeralΡΞϚ´
Roman numeralCLXVI
Binary101001102
Ternary200113
Quaternary22124
Quinary11315
Senary4346
Octal2468
Duodecimal11A12
HexadecimalA616
Vigesimal8620
Base 364M36

In Mathematics

  • 166 is an even number because it can be divided by 2.
  • Its prime factorization is 2×83. This means 166 is a semiprime (the product of two prime numbers).