The Number

42021

Forty-Two Thousand and Twenty-One

In Base 19 Nonadecimal Is

627c19

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

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

Nearby Numbers

Positive, nonzero integers within three units

42018
627919
Forty-Two Thousand and Eightteen in Base 19 Nonadecimal
42019
627a19
Forty-Two Thousand and Nineteen in Base 19 Nonadecimal
42020
627b19
Forty-Two Thousand and Twenty in Base 19 Nonadecimal
42022
627d19
Forty-Two Thousand and Twenty-Two in Base 19 Nonadecimal
42023
627e19
Forty-Two Thousand and Twenty-Three in Base 19 Nonadecimal
42024
627f19
Forty-Two 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.

4.2021e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00031hb08fc14h1h19

The reciprocal of 42021 in Base 19 Nonadecimal.

Palindrome?

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

The number 627c19 is not a palindrome.

Not A Prime Number

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

Forty-two 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.

Forty-two 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 forty-two thousand and twenty-one has the following 4 prime factors:

3
319
Three in Base 19 Nonadecimal
7
719
Seven in Base 19 Nonadecimal
23
1419
Twenty-Three in Base 19 Nonadecimal
29
1a19
Twenty-Nine in Base 19 Nonadecimal

Prime Factorization

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

3192 · 7191 · 14191 · 1a191 = 627c19

Base Conversions

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