Nearby Numbers

Positive, nonzero integers within three units

81025

Eighty-One Thousand and Twenty-Five

81026

Eighty-One Thousand and Twenty-Six

81027

Eighty-One Thousand and Twenty-Seven

81029

Eighty-One Thousand and Twenty-Nine

81030

Eighty-One Thousand and Thirty

81031

Eighty-One Thousand and Thirty-One

Scientific Notation

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

8.1028e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000012341412844942488

The reciprocal of 81028.

Palindrome?

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

The number 81028 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 and twenty-eight is a composite number with 12 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 and twenty-eight is a composite number with 12 total factors (including 1 and itself).

Prime Factors

2

Two

47

Forty-Seven

431

Four Hundred and Thirty-One

Prime Factorization

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

22 · 471 · 4311 = 81028

Base Conversions

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