The Number

42021

Forty-Two Thousand and Twenty-One

In Base 12 Duodecimal Is

2039912

The numbers with a 12 subscript use Base 12 Duodecimal 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
2039612
Forty-Two Thousand and Eightteen in Base 12 Duodecimal
42019
2039712
Forty-Two Thousand and Nineteen in Base 12 Duodecimal
42020
2039812
Forty-Two Thousand and Twenty in Base 12 Duodecimal
42022
2039a12
Forty-Two Thousand and Twenty-Two in Base 12 Duodecimal
42023
2039b12
Forty-Two Thousand and Twenty-Three in Base 12 Duodecimal
42024
203a012
Forty-Two Thousand and Twenty-Four in Base 12 Duodecimal

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.

0.00005b086626aa1102212

The reciprocal of 42021 in Base 12 Duodecimal.

Palindrome?

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

The number 2039912 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 12 Duodecimal

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
312
Three in Base 12 Duodecimal
7
712
Seven in Base 12 Duodecimal
23
1b12
Twenty-Three in Base 12 Duodecimal
29
2512
Twenty-Nine in Base 12 Duodecimal

Prime Factorization

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

3122 · 7121 · 1b121 · 25121 = 2039912

Base Conversions

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