The Number

681

Six Hundred and Eighty-One

In Base 20 Vigesimal Is

1e120

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

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

Nearby Numbers

Positive, nonzero integers within three units

678
1di20
Six Hundred and Seventy-Eight in Base 20 Vigesimal
679
1dj20
Six Hundred and Seventy-Nine in Base 20 Vigesimal
680
1e020
Six Hundred and Eighty in Base 20 Vigesimal
682
1e220
Six Hundred and Eighty-Two in Base 20 Vigesimal
683
1e320
Six Hundred and Eighty-Three in Base 20 Vigesimal
684
1e420
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.

6.81e2

Reciprocal

A number multiplied with its reciprocal is one.

0.00beij8gfjac0gc20

The reciprocal of 681 in Base 20 Vigesimal.

Palindrome?

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

The number 1e120 is a palindrome.

Not A Prime Number

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

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.

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

3
320
Three in Base 20 Vigesimal
227
b720
Two Hundred and Twenty-Seven in Base 20 Vigesimal

Prime Factorization

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

3201 · b7201 = 1e120

Base Conversions

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