The Number

681

Six Hundred and Eighty-One

In Base 3 Ternary Is

2210203

The numbers with a 3 subscript use Base 3 Ternary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

678
2210103
Six Hundred and Seventy-Eight in Base 3 Ternary
679
2210113
Six Hundred and Seventy-Nine in Base 3 Ternary
680
2210123
Six Hundred and Eighty in Base 3 Ternary
682
2210213
Six Hundred and Eighty-Two in Base 3 Ternary
683
2210223
Six Hundred and Eighty-Three in Base 3 Ternary
684
2211003
Six Hundred and Eighty-Four in Base 3 Ternary

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.

0.0000010012201011001012010002111102220013

The reciprocal of 681 in Base 3 Ternary.

Palindrome?

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

The number 2210203 is not 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 3 Ternary

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
103
Three in Base 3 Ternary
227
221023
Two Hundred and Twenty-Seven in Base 3 Ternary

Prime Factorization

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

1031 · 2210231 = 2210203

Base Conversions

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