The Number

42685

Forty-Two Thousand Six Hundred and Eighty-Five

In Base 21 Unovigesimal Is

4cgd21

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

For more familiar numbers: See Forty-Two Thousand Six Hundred and Eighty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

42682
4cga21
Forty-Two Thousand Six Hundred and Eighty-Two in Base 21 Unovigesimal
42683
4cgb21
Forty-Two Thousand Six Hundred and Eighty-Three in Base 21 Unovigesimal
42684
4cgc21
Forty-Two Thousand Six Hundred and Eighty-Four in Base 21 Unovigesimal
42686
4cge21
Forty-Two Thousand Six Hundred and Eighty-Six in Base 21 Unovigesimal
42687
4cgf21
Forty-Two Thousand Six Hundred and Eighty-Seven in Base 21 Unovigesimal
42688
4cgg21
Forty-Two Thousand Six Hundred and Eighty-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.

4.2685e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004be5iakh2hkec21

The reciprocal of 42685 in Base 21 Unovigesimal.

Palindrome?

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

The number 4cgd21 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 six hundred and eighty-five is a composite number with 4 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 six hundred and eighty-five is a composite number with 4 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 six hundred and eighty-five has the following 2 prime factors:

5
521
Five in Base 21 Unovigesimal
8537
j7b21
Eight Thousand Five Hundred and Thirty-Seven 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 · j7b211 = 4cgd21

Base Conversions

The number forty-two thousand six hundred and eighty-five in 35 different bases