# 159 (number)

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 ← 158 159 160 →
Cardinal one hundred fifty-nine
Ordinal 159th
(one hundred fifty-ninth)
Factorization 3 × 53
Divisors 1, 3, 53, 159
Greek numeral ΡΝΘ´
Roman numeral CLIX
Binary 100111112
Ternary 122203
Quaternary 21334
Quinary 11145
Senary 4236
Octal 2378
Duodecimal 11312
Hexadecimal 9F16
Vigesimal 7J20
Base 36 4F36

159 (one hundred [and] fifty-nine) is a natural number following 158 and preceding 160.

## In mathematics

159 is:

Only 5 numbers (greater than 1) have this property in base 15, none in base 10.

Given 159, the Mertens function returns 0.[3]

## In sports

• In professional darts, 159 is the lowest score a player can achieve with no available checkout.[4]

159 is also:

## References

1. ^ "Sloane's A003261 : Woodall (or Riesel) numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-28.
2. ^ "Sloane's A270304 : Numbers that equal the sum of the squares of the digits of their own square in base 15". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-29.
3. ^ "Sloane's A028442 : Numbers n such that Mertens' function is zero". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-28.
4. ^ Shop, Dart. "Peg Out Chart | Dart Check Out Chart | Dart Shop". www.dartshop.com.au. Retrieved 2017-08-01.