The Number

231405

Two Hundred and Thirty-One Thousand Four Hundred and Five

In Base 21 Unovigesimal Is

13kf621

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

For more familiar numbers: See Two Hundred and Thirty-One Thousand Four Hundred and Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

231402
13kf321
Two Hundred and Thirty-One Thousand Four Hundred and Two in Base 21 Unovigesimal
231403
13kf421
Two Hundred and Thirty-One Thousand Four Hundred and Three in Base 21 Unovigesimal
231404
13kf521
Two Hundred and Thirty-One Thousand Four Hundred and Four in Base 21 Unovigesimal
231406
13kf721
Two Hundred and Thirty-One Thousand Four Hundred and Six in Base 21 Unovigesimal
231407
13kf821
Two Hundred and Thirty-One Thousand Four Hundred and Seven in Base 21 Unovigesimal
231408
13kf921
Two Hundred and Thirty-One Thousand Four Hundred and Eight in Base 21 Unovigesimal

Scientific Notation

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

2.31405e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000hdd5fi79hba521

The reciprocal of 231405 in Base 21 Unovigesimal.

Palindrome?

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

The number 13kf621 is not a palindrome.

Not A Prime Number

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

Two hundred and thirty-one thousand four hundred and five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Two hundred and thirty-one thousand four hundred and five is a composite number with 8 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 two hundred and thirty-one thousand four hundred and five has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
15427
1dkd21
Fifteen Thousand Four Hundred and Twenty-Seven in Base 21 Unovigesimal

Prime Factorization

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

3211 · 5211 · 1dkd211 = 13kf621

Base Conversions

The number two hundred and thirty-one thousand four hundred and five in 35 different bases