The Number

42021

Forty-Two Thousand and Twenty-One

In Base 15 Quindecimal Is

c6b615

The numbers with a 15 subscript use Base 15 Quindecimal 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
c6b315
Forty-Two Thousand and Eightteen in Base 15 Quindecimal
42019
c6b415
Forty-Two Thousand and Nineteen in Base 15 Quindecimal
42020
c6b515
Forty-Two Thousand and Twenty in Base 15 Quindecimal
42022
c6b715
Forty-Two Thousand and Twenty-Two in Base 15 Quindecimal
42023
c6b815
Forty-Two Thousand and Twenty-Three in Base 15 Quindecimal
42024
c6b915
Forty-Two Thousand and Twenty-Four in Base 15 Quindecimal

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.

0.00013110a9b3cd22d715

The reciprocal of 42021 in Base 15 Quindecimal.

Palindrome?

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

The number c6b615 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 15 Quindecimal

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
315
Three in Base 15 Quindecimal
7
715
Seven in Base 15 Quindecimal
23
1815
Twenty-Three in Base 15 Quindecimal
29
1e15
Twenty-Nine in Base 15 Quindecimal

Prime Factorization

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

3152 · 7151 · 18151 · 1e151 = c6b615

Base Conversions

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