The Number

181998

One Hundred and Eighty-One Thousand Nine Hundred and Ninety-Eight

In Base 7 Septenary Is

13554157

The numbers with a 7 subscript use Base 7 Septenary notation.

For more familiar numbers: See One Hundred and Eighty-One Thousand Nine Hundred and Ninety-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

181995
13554127
One Hundred and Eighty-One Thousand Nine Hundred and Ninety-Five in Base 7 Septenary
181996
13554137
One Hundred and Eighty-One Thousand Nine Hundred and Ninety-Six in Base 7 Septenary
181997
13554147
One Hundred and Eighty-One Thousand Nine Hundred and Ninety-Seven in Base 7 Septenary
181999
13554167
One Hundred and Eighty-One Thousand Nine Hundred and Ninety-Nine in Base 7 Septenary
182000
13554207
One Hundred and Eighty-Two Thousand in Base 7 Septenary
182001
13554217
One Hundred and Eighty-Two Thousand and One in Base 7 Septenary

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

1.81998e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000043450360231325633167

The reciprocal of 181998 in Base 7 Septenary.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 13554157 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

One hundred and eighty-one thousand nine hundred and ninety-eight is a composite number with 12 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

One hundred and eighty-one thousand nine hundred and ninety-eight is a composite number with 12 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number one hundred and eighty-one thousand nine hundred and ninety-eight has the following 3 prime factors:

2
27
Two in Base 7 Septenary
3
37
Three in Base 7 Septenary
10111
413237
Ten Thousand One Hundred and Eleven in Base 7 Septenary

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

271 · 372 · 4132371 = 13554157

Base Conversions

The number one hundred and eighty-one thousand nine hundred and ninety-eight in 35 different bases