The Number

81440

Eighty-One Thousand Four Hundred and Forty

In Base 5 Quinary Is

101012305

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

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

Nearby Numbers

Positive, nonzero integers within three units

81437
101012225
Eighty-One Thousand Four Hundred and Thirty-Seven in Base 5 Quinary
81438
101012235
Eighty-One Thousand Four Hundred and Thirty-Eight in Base 5 Quinary
81439
101012245
Eighty-One Thousand Four Hundred and Thirty-Nine in Base 5 Quinary
81441
101012315
Eighty-One Thousand Four Hundred and Forty-One in Base 5 Quinary
81442
101012325
Eighty-One Thousand Four Hundred and Forty-Two in Base 5 Quinary
81443
101012335
Eighty-One Thousand Four Hundred and Forty-Three in Base 5 Quinary

Scientific Notation

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

8.1440e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000000043442344320120310430345

The reciprocal of 81440 in Base 5 Quinary.

Palindrome?

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

The number 101012305 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 forty is a composite number with 24 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 forty is a composite number with 24 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 forty has the following 3 prime factors:

2
25
Two in Base 5 Quinary
5
105
Five in Base 5 Quinary
509
40145
Five Hundred and 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

255 · 1051 · 401451 = 101012305

Base Conversions

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