The Number

81345

Eighty-One Thousand Three Hundred and Forty-Five

Nearby Numbers

Positive, nonzero integers within three units

81342
Eighty-One Thousand Three Hundred and Forty-Two
81343
Eighty-One Thousand Three Hundred and Forty-Three
81344
Eighty-One Thousand Three Hundred and Forty-Four
81346
Eighty-One Thousand Three Hundred and Forty-Six
81347
Eighty-One Thousand Three Hundred and Forty-Seven
81348
Eighty-One Thousand Three Hundred and Forty-Eight

Scientific Notation

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

8.1345e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000012293318581351035

The reciprocal of 81345.

Palindrome?

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

The number 81345 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 forty-five is a composite number with 32 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand three hundred and forty-five is a composite number with 32 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 forty-five has the following 5 prime factors:

3
Three
5
Five
11
Eleven
17
Seventeen
29
Twenty-Nine

Prime Factorization

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

31 · 51 · 111 · 171 · 291 = 81345

Base Conversions

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