The Number

21049

Twenty-One Thousand and Forty-Nine

In Base 18 Octodecimal Is

3ah718

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21046
3ah418
Twenty-One Thousand and Forty-Six in Base 18 Octodecimal
21047
3ah518
Twenty-One Thousand and Forty-Seven in Base 18 Octodecimal
21048
3ah618
Twenty-One Thousand and Forty-Eight in Base 18 Octodecimal
21050
3ah818
Twenty-One Thousand and Fifty in Base 18 Octodecimal
21051
3ah918
Twenty-One Thousand and Fifty-One in Base 18 Octodecimal
21052
3aha18
Twenty-One Thousand and Fifty-Two in Base 18 Octodecimal

Scientific Notation

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

2.1049e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004hdf87feg485318

The reciprocal of 21049 in Base 18 Octodecimal.

Palindrome?

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

The number 3ah718 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand and forty-nine is a composite number with 8 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand and forty-nine 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 twenty-one thousand and forty-nine has the following 3 prime factors:

7
718
Seven in Base 18 Octodecimal
31
1d18
Thirty-One in Base 18 Octodecimal
97
5718
Ninety-Seven in Base 18 Octodecimal

Prime Factorization

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

7181 · 1d181 · 57181 = 3ah718

Base Conversions

The number twenty-one thousand and forty-nine in 35 different bases