The Number

81428

Eighty-One Thousand Four Hundred and Twenty-Eight

In Base 5 Quinary Is

101012035

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

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

Nearby Numbers

Positive, nonzero integers within three units

81425
101012005
Eighty-One Thousand Four Hundred and Twenty-Five in Base 5 Quinary
81426
101012015
Eighty-One Thousand Four Hundred and Twenty-Six in Base 5 Quinary
81427
101012025
Eighty-One Thousand Four Hundred and Twenty-Seven in Base 5 Quinary
81429
101012045
Eighty-One Thousand Four Hundred and Twenty-Nine in Base 5 Quinary
81430
101012105
Eighty-One Thousand Four Hundred and Thirty in Base 5 Quinary
81431
101012115
Eighty-One Thousand Four Hundred and Thirty-One in Base 5 Quinary

Scientific Notation

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

8.1428e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000000434431044230342433141145

The reciprocal of 81428 in Base 5 Quinary.

Palindrome?

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

The number 101012035 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 four hundred and twenty-eight is a composite number with 6 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 four hundred and twenty-eight is a composite number with 6 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 four hundred and twenty-eight has the following 2 prime factors:

2
25
Two in Base 5 Quinary
20357
11224125
Twenty Thousand Three Hundred and Fifty-Seven in Base 5 Quinary

Prime Factorization

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

252 · 112241251 = 101012035

Base Conversions

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