The Number

81123

Eighty-One Thousand One Hundred and Twenty-Three

In Base 7 Septenary Is

4553407

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

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

Nearby Numbers

Positive, nonzero integers within three units

81120
4553347
Eighty-One Thousand One Hundred and Twenty in Base 7 Septenary
81121
4553357
Eighty-One Thousand One Hundred and Twenty-One in Base 7 Septenary
81122
4553367
Eighty-One Thousand One Hundred and Twenty-Two in Base 7 Septenary
81124
4553417
Eighty-One Thousand One Hundred and Twenty-Four in Base 7 Septenary
81125
4553427
Eighty-One Thousand One Hundred and Twenty-Five in Base 7 Septenary
81126
4553437
Eighty-One Thousand One Hundred and Twenty-Six in Base 7 Septenary

Scientific Notation

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

8.1123e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000131030266614202426037

The reciprocal of 81123 in Base 7 Septenary.

Palindrome?

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

The number 4553407 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 twenty-three is a composite number with 8 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 twenty-three is a composite number with 8 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 twenty-three has the following 3 prime factors:

3
37
Three in Base 7 Septenary
7
107
Seven in Base 7 Septenary
3863
141567
Three Thousand Eight Hundred and Sixty-Three in Base 7 Septenary

Prime Factorization

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

371 · 1071 · 1415671 = 4553407

Base Conversions

The number eighty-one thousand one hundred and twenty-three in 35 different bases