The Number

268409

Two Hundred and Sixty-Eight Thousand Four Hundred and Nine

In Base 21 Unovigesimal Is

17kd821

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

For more familiar numbers: See Two Hundred and Sixty-Eight Thousand Four Hundred and Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

268406
17kd521
Two Hundred and Sixty-Eight Thousand Four Hundred and Six in Base 21 Unovigesimal
268407
17kd621
Two Hundred and Sixty-Eight Thousand Four Hundred and Seven in Base 21 Unovigesimal
268408
17kd721
Two Hundred and Sixty-Eight Thousand Four Hundred and Eight in Base 21 Unovigesimal
268410
17kd921
Two Hundred and Sixty-Eight Thousand Four Hundred and Ten in Base 21 Unovigesimal
268411
17kda21
Two Hundred and Sixty-Eight Thousand Four Hundred and Eleven in Base 21 Unovigesimal
268412
17kdb21
Two Hundred and Sixty-Eight Thousand Four Hundred and Twelve in Base 21 Unovigesimal

Scientific Notation

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

2.68409e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000f4b5088i308321

The reciprocal of 268409 in Base 21 Unovigesimal.

Palindrome?

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

The number 17kd821 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 sixty-eight thousand four hundred and nine is a composite number with 4 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 sixty-eight thousand four hundred and nine is a composite number with 4 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 sixty-eight thousand four hundred and nine has the following 2 prime factors:

139
6d21
One Hundred and Thirty-Nine in Base 21 Unovigesimal
1931
47k21
One Thousand Nine Hundred and Thirty-One in Base 21 Unovigesimal

Prime Factorization

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

6d211 · 47k211 = 17kd821

Base Conversions

The number two hundred and sixty-eight thousand four hundred and nine in 35 different bases