The Number

249990

Two Hundred and Forty-Nine Thousand Nine Hundred and Ninety

In Base 21 Unovigesimal Is

15ki621

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 Ninety in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

249987
15ki321
Two Hundred and Forty-Nine Thousand Nine Hundred and Eighty-Seven in Base 21 Unovigesimal
249988
15ki421
Two Hundred and Forty-Nine Thousand Nine Hundred and Eighty-Eight in Base 21 Unovigesimal
249989
15ki521
Two Hundred and Forty-Nine Thousand Nine Hundred and Eighty-Nine in Base 21 Unovigesimal
249991
15ki721
Two Hundred and Forty-Nine Thousand Nine Hundred and Ninety-One in Base 21 Unovigesimal
249992
15ki821
Two Hundred and Forty-Nine Thousand Nine Hundred and Ninety-Two in Base 21 Unovigesimal
249993
15ki921
Two Hundred and Forty-Nine Thousand Nine Hundred and Ninety-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.

2.49990e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000g71da5gh0c3821

The reciprocal of 249990 in Base 21 Unovigesimal.

Palindrome?

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

The number 15ki621 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 ninety is a composite number with 32 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 ninety is a composite number with 32 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 ninety has the following 5 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
641
19b21
Six Hundred and Forty-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

2211 · 3211 · 5211 · d211 · 19b211 = 15ki621

Base Conversions

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