The Number

8421

Eight Thousand Four Hundred and Twenty-One

In Base 21 Unovigesimal Is

j2021

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

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

Nearby Numbers

Positive, nonzero integers within three units

8418
j1i21
Eight Thousand Four Hundred and Eightteen in Base 21 Unovigesimal
8419
j1j21
Eight Thousand Four Hundred and Nineteen in Base 21 Unovigesimal
8420
j1k21
Eight Thousand Four Hundred and Twenty in Base 21 Unovigesimal
8422
j2121
Eight Thousand Four Hundred and Twenty-Two in Base 21 Unovigesimal
8423
j2221
Eight Thousand Four Hundred and Twenty-Three in Base 21 Unovigesimal
8424
j2321
Eight Thousand Four Hundred and Twenty-Four in Base 21 Unovigesimal

Scientific Notation

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

8.421e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00121kgcd0hcahe21

The reciprocal of 8421 in Base 21 Unovigesimal.

Palindrome?

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

The number j2021 is not a palindrome.

Not A Prime Number

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

Eight thousand four hundred and twenty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Eight thousand four hundred and twenty-one is a composite number with 8 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 eight thousand four hundred and twenty-one has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
401
j221
Four 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

3211 · 7211 · j2211 = j2021

Base Conversions

The number eight thousand four hundred and twenty-one in 35 different bases