The Number

13840

Thirteen Thousand Eight Hundred and Forty

In Base 21 Unovigesimal Is

1a8121

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

For more familiar numbers: See Thirteen Thousand Eight Hundred and Forty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

13837
1a7j21
Thirteen Thousand Eight Hundred and Thirty-Seven in Base 21 Unovigesimal
13838
1a7k21
Thirteen Thousand Eight Hundred and Thirty-Eight in Base 21 Unovigesimal
13839
1a8021
Thirteen Thousand Eight Hundred and Thirty-Nine in Base 21 Unovigesimal
13841
1a8221
Thirteen Thousand Eight Hundred and Forty-One in Base 21 Unovigesimal
13842
1a8321
Thirteen Thousand Eight Hundred and Forty-Two in Base 21 Unovigesimal
13843
1a8421
Thirteen Thousand Eight Hundred and Forty-Three in Base 21 Unovigesimal

Scientific Notation

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

1.3840e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000e11k9bg656bf21

The reciprocal of 13840 in Base 21 Unovigesimal.

Palindrome?

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

The number 1a8121 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Thirteen thousand eight hundred and forty is a composite number with 20 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Thirteen thousand eight hundred and forty is a composite number with 20 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 thirteen thousand eight hundred and forty has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
173
8521
One Hundred and Seventy-Three in Base 21 Unovigesimal

Prime Factorization

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

2214 · 5211 · 85211 = 1a8121

Base Conversions

The number thirteen thousand eight hundred and forty in 35 different bases