The Number

216825

Two Hundred and Sixteen Thousand Eight Hundred and Twenty-Five

In Base 21 Unovigesimal Is

128e021

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

For more familiar numbers: See Two Hundred and Sixteen Thousand Eight Hundred and Twenty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

216822
128di21
Two Hundred and Sixteen Thousand Eight Hundred and Twenty-Two in Base 21 Unovigesimal
216823
128dj21
Two Hundred and Sixteen Thousand Eight Hundred and Twenty-Three in Base 21 Unovigesimal
216824
128dk21
Two Hundred and Sixteen Thousand Eight Hundred and Twenty-Four in Base 21 Unovigesimal
216826
128e121
Two Hundred and Sixteen Thousand Eight Hundred and Twenty-Six in Base 21 Unovigesimal
216827
128e221
Two Hundred and Sixteen Thousand Eight Hundred and Twenty-Seven in Base 21 Unovigesimal
216828
128e321
Two Hundred and Sixteen Thousand Eight Hundred and Twenty-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.

2.16825e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000ihbdbjbac30e21

The reciprocal of 216825 in Base 21 Unovigesimal.

Palindrome?

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

The number 128e021 is not a palindrome.

Not A Prime Number

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

Two hundred and sixteen thousand eight hundred and twenty-five is a composite number with 36 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Two hundred and sixteen thousand eight hundred and twenty-five is a composite number with 36 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 two hundred and sixteen thousand eight hundred and twenty-five has the following 4 prime factors:

3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
59
2h21
Fifty-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

3211 · 5212 · 7212 · 2h211 = 128e021

Base Conversions

The number two hundred and sixteen thousand eight hundred and twenty-five in 35 different bases