The Number

81397

Eighty-One Thousand Three Hundred and Ninety-Seven

In Base 5 Quinary Is

101010425

The numbers with a 5 subscript use Base 5 Quinary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

81394
101010345
Eighty-One Thousand Three Hundred and Ninety-Four in Base 5 Quinary
81395
101010405
Eighty-One Thousand Three Hundred and Ninety-Five in Base 5 Quinary
81396
101010415
Eighty-One Thousand Three Hundred and Ninety-Six in Base 5 Quinary
81398
101010435
Eighty-One Thousand Three Hundred and Ninety-Eight in Base 5 Quinary
81399
101010445
Eighty-One Thousand Three Hundred and Ninety-Nine in Base 5 Quinary
81400
101011005
Eighty-One Thousand Four Hundred in Base 5 Quinary

Scientific Notation

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

8.1397e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000000434441423044442010214315

The reciprocal of 81397 in Base 5 Quinary.

Palindrome?

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

The number 101010425 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 ninety-seven is a composite number with 4 total factors (including 1 and itself).   See primes in Base 5 Quinary

A Composite

Composites have more than just these two factors.

Eighty-one thousand three hundred and ninety-seven is a composite number with 4 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 ninety-seven has the following 2 prime factors:

23
435
Twenty-Three in Base 5 Quinary
3539
1031245
Three Thousand Five Hundred and Thirty-Nine in Base 5 Quinary

Prime Factorization

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

4351 · 10312451 = 101010425

Base Conversions

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