The Number

81361

Eighty-One Thousand Three Hundred and Sixty-One

In Base 7 Septenary Is

4561307

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

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

Nearby Numbers

Positive, nonzero integers within three units

81358
4561247
Eighty-One Thousand Three Hundred and Fifty-Eight in Base 7 Septenary
81359
4561257
Eighty-One Thousand Three Hundred and Fifty-Nine in Base 7 Septenary
81360
4561267
Eighty-One Thousand Three Hundred and Sixty in Base 7 Septenary
81362
4561317
Eighty-One Thousand Three Hundred and Sixty-Two in Base 7 Septenary
81363
4561327
Eighty-One Thousand Three Hundred and Sixty-Three in Base 7 Septenary
81364
4561337
Eighty-One Thousand Three Hundred and Sixty-Four in Base 7 Septenary

Scientific Notation

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

8.1361e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000013056606145045433127

The reciprocal of 81361 in Base 7 Septenary.

Palindrome?

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

The number 4561307 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 three hundred and sixty-one 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 three hundred and sixty-one 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 three hundred and sixty-one has the following 3 prime factors:

7
107
Seven in Base 7 Septenary
59
1137
Fifty-Nine in Base 7 Septenary
197
4017
One Hundred and Ninety-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

1071 · 11371 · 40171 = 4561307

Base Conversions

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