The Number

249981

Two Hundred and Forty-Nine Thousand Nine Hundred and Eighty-One

In Base 21 Unovigesimal Is

15khi21

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

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

Nearby Numbers

Positive, nonzero integers within three units

249978
15khf21
Two Hundred and Forty-Nine Thousand Nine Hundred and Seventy-Eight in Base 21 Unovigesimal
249979
15khg21
Two Hundred and Forty-Nine Thousand Nine Hundred and Seventy-Nine in Base 21 Unovigesimal
249980
15khh21
Two Hundred and Forty-Nine Thousand Nine Hundred and Eighty in Base 21 Unovigesimal
249982
15khj21
Two Hundred and Forty-Nine Thousand Nine Hundred and Eighty-Two in Base 21 Unovigesimal
249983
15khk21
Two Hundred and Forty-Nine Thousand Nine Hundred and Eighty-Three in Base 21 Unovigesimal
249984
15ki021
Two Hundred and Forty-Nine Thousand Nine Hundred and Eighty-Four in Base 21 Unovigesimal

Scientific Notation

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

2.49981e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000g71ijdkd1afe21

The reciprocal of 249981 in Base 21 Unovigesimal.

Palindrome?

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

The number 15khi21 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 forty-nine thousand nine hundred and eighty-one 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 forty-nine thousand nine hundred and eighty-one 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 forty-nine thousand nine hundred and eighty-one has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
103
4j21
One Hundred and Three in Base 21 Unovigesimal
809
1hb21
Eight Hundred and Nine 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 · 4j211 · 1hb211 = 15khi21

Base Conversions

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