The Number

81198

Eighty-One Thousand One Hundred and Ninety-Eight

In Base 7 Septenary Is

4555057

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

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

Nearby Numbers

Positive, nonzero integers within three units

81195
4555027
Eighty-One Thousand One Hundred and Ninety-Five in Base 7 Septenary
81196
4555037
Eighty-One Thousand One Hundred and Ninety-Six in Base 7 Septenary
81197
4555047
Eighty-One Thousand One Hundred and Ninety-Seven in Base 7 Septenary
81199
4555067
Eighty-One Thousand One Hundred and Ninety-Nine in Base 7 Septenary
81200
4555107
Eighty-One Thousand Two Hundred in Base 7 Septenary
81201
4555117
Eighty-One Thousand Two Hundred 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.

8.1198e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000130665625425460022457

The reciprocal of 81198 in Base 7 Septenary.

Palindrome?

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

The number 4555057 is not a palindrome.

Not A Prime Number

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

Eighty-one thousand one hundred and ninety-eight is a composite number with 24 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

Eighty-one thousand one hundred and ninety-eight is a composite number with 24 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 eighty-one thousand one hundred and ninety-eight has the following 4 prime factors:

2
27
Two in Base 7 Septenary
3
37
Three in Base 7 Septenary
13
167
Thirteen in Base 7 Septenary
347
10047
Three Hundred and Forty-Seven 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 · 1671 · 100471 = 4555057

Base Conversions

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