The Number

4205

Four Thousand Two Hundred and Five

In Base 21 Unovigesimal Is

9b521

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

For more familiar numbers: See Four Thousand Two Hundred and Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

4202
9b221
Four Thousand Two Hundred and Two in Base 21 Unovigesimal
4203
9b321
Four Thousand Two Hundred and Three in Base 21 Unovigesimal
4204
9b421
Four Thousand Two Hundred and Four in Base 21 Unovigesimal
4206
9b621
Four Thousand Two Hundred and Six in Base 21 Unovigesimal
4207
9b721
Four Thousand Two Hundred and Seven in Base 21 Unovigesimal
4208
9b821
Four Thousand Two Hundred and Eight in Base 21 Unovigesimal

Scientific Notation

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

4.205e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0024554ee941c2j21

The reciprocal of 4205 in Base 21 Unovigesimal.

Palindrome?

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

The number 9b521 is not a palindrome.

Not A Prime Number

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

Four thousand two hundred and five is a composite number with 6 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Four thousand two hundred and five is a composite number with 6 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 four thousand two hundred and five has the following 2 prime factors:

5
521
Five in Base 21 Unovigesimal
29
1821
Twenty-Nine in Base 21 Unovigesimal

Prime Factorization

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

5211 · 18212 = 9b521

Base Conversions

The number four thousand two hundred and five in 35 different bases