The Number

42420

Forty-Two Thousand Four Hundred and Twenty

In Base 21 Unovigesimal Is

4c4021

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

42417
4c3i21
Forty-Two Thousand Four Hundred and Seventeen in Base 21 Unovigesimal
42418
4c3j21
Forty-Two Thousand Four Hundred and Eightteen in Base 21 Unovigesimal
42419
4c3k21
Forty-Two Thousand Four Hundred and Nineteen in Base 21 Unovigesimal
42421
4c4121
Forty-Two Thousand Four Hundred and Twenty-One in Base 21 Unovigesimal
42422
4c4221
Forty-Two Thousand Four Hundred and Twenty-Two in Base 21 Unovigesimal
42423
4c4321
Forty-Two Thousand Four Hundred and Twenty-Three in Base 21 Unovigesimal

Scientific Notation

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

4.2420e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004c5h9kghif3k621

The reciprocal of 42420 in Base 21 Unovigesimal.

Palindrome?

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

The number 4c4021 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 four hundred and twenty is a composite number with 48 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Forty-two thousand four hundred and twenty is a composite number with 48 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 four hundred and twenty has the following 5 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
101
4h21
One Hundred and One in Base 21 Unovigesimal

Prime Factorization

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

2212 · 3211 · 5211 · 7211 · 4h211 = 4c4021

Base Conversions

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