The Number

21021

Twenty-One Thousand and Twenty-One

In Base 19 Nonadecimal Is

314719

The numbers with a 19 subscript use Base 19 Nonadecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21018
314419
Twenty-One Thousand and Eightteen in Base 19 Nonadecimal
21019
314519
Twenty-One Thousand and Nineteen in Base 19 Nonadecimal
21020
314619
Twenty-One Thousand and Twenty in Base 19 Nonadecimal
21022
314819
Twenty-One Thousand and Twenty-Two in Base 19 Nonadecimal
21023
314919
Twenty-One Thousand and Twenty-Three in Base 19 Nonadecimal
21024
314a19
Twenty-One Thousand and Twenty-Four in Base 19 Nonadecimal

Scientific Notation

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

2.1021e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00063f0f32411dfg19

The reciprocal of 21021 in Base 19 Nonadecimal.

Palindrome?

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

The number 314719 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 twenty-one is a composite number with 24 total factors (including 1 and itself).   See primes in Base 19 Nonadecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand and twenty-one is a composite number with 24 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 twenty-one has the following 4 prime factors:

3
319
Three in Base 19 Nonadecimal
7
719
Seven in Base 19 Nonadecimal
11
b19
Eleven in Base 19 Nonadecimal
13
d19
Thirteen in Base 19 Nonadecimal

Prime Factorization

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

3191 · 7192 · b191 · d191 = 314719

Base Conversions

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