The Number

16681

Sixteen Thousand Six Hundred and Eighty-One

In Base 20 Vigesimal Is

21e120

The numbers with a 20 subscript use Base 20 Vigesimal notation.

For more familiar numbers: See Sixteen Thousand Six Hundred and Eighty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

16678
21di20
Sixteen Thousand Six Hundred and Seventy-Eight in Base 20 Vigesimal
16679
21dj20
Sixteen Thousand Six Hundred and Seventy-Nine in Base 20 Vigesimal
16680
21e020
Sixteen Thousand Six Hundred and Eighty in Base 20 Vigesimal
16682
21e220
Sixteen Thousand Six Hundred and Eighty-Two in Base 20 Vigesimal
16683
21e320
Sixteen Thousand Six Hundred and Eighty-Three in Base 20 Vigesimal
16684
21e420
Sixteen Thousand Six Hundred and Eighty-Four in Base 20 Vigesimal

Scientific Notation

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

1.6681e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0009bge03a07i55c20

The reciprocal of 16681 in Base 20 Vigesimal.

Palindrome?

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

The number 21e120 is not a palindrome.

Not A Prime Number

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

Sixteen thousand six hundred and eighty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

Sixteen thousand six hundred and eighty-one 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 sixteen thousand six hundred and eighty-one has the following 2 prime factors:

7
720
Seven in Base 20 Vigesimal
2383
5j320
Two Thousand Three Hundred and Eighty-Three in Base 20 Vigesimal

Prime Factorization

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

7201 · 5j3201 = 21e120

Base Conversions

The number sixteen thousand six hundred and eighty-one in 35 different bases