The Number

21043

Twenty-One Thousand and Forty-Three

In Base 8 Octal Is

510638

The numbers with a 8 subscript use Base 8 Octal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21040
510608
Twenty-One Thousand and Forty in Base 8 Octal
21041
510618
Twenty-One Thousand and Forty-One in Base 8 Octal
21042
510628
Twenty-One Thousand and Forty-Two in Base 8 Octal
21044
510648
Twenty-One Thousand and Forty-Four in Base 8 Octal
21045
510658
Twenty-One Thousand and Forty-Five in Base 8 Octal
21046
510668
Twenty-One Thousand and Forty-Six in Base 8 Octal

Scientific Notation

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

2.1043e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00001435220514044376248

The reciprocal of 21043 in Base 8 Octal.

Palindrome?

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

The number 510638 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-three is a composite number with 4 total factors (including 1 and itself).   See primes in Base 8 Octal

A Composite

Composites have more than just these two factors.

Twenty-one thousand and forty-three 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 twenty-one thousand and forty-three has the following 2 prime factors:

11
138
Eleven in Base 8 Octal
1913
35718
One Thousand Nine Hundred and Thirteen in Base 8 Octal

Prime Factorization

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

1381 · 357181 = 510638

Base Conversions

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