The Number

1668

One Thousand Six Hundred and Sixty-Eight

In Base 4 Quaternary Is

1220104

The numbers with a 4 subscript use Base 4 Quaternary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1665
1220014
One Thousand Six Hundred and Sixty-Five in Base 4 Quaternary
1666
1220024
One Thousand Six Hundred and Sixty-Six in Base 4 Quaternary
1667
1220034
One Thousand Six Hundred and Sixty-Seven in Base 4 Quaternary
1669
1220114
One Thousand Six Hundred and Sixty-Nine in Base 4 Quaternary
1670
1220124
One Thousand Six Hundred and Seventy in Base 4 Quaternary
1671
1220134
One Thousand Six Hundred and Seventy-One in Base 4 Quaternary

Scientific Notation

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

1.668e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00000213102210201300331121001014

The reciprocal of 1668 in Base 4 Quaternary.

Palindrome?

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

The number 1220104 is not a palindrome.

Not A Prime Number

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

One thousand six hundred and sixty-eight is a composite number with 12 total factors (including 1 and itself).   See primes in Base 4 Quaternary

A Composite

Composites have more than just these two factors.

One thousand six hundred and sixty-eight is a composite number with 12 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 one thousand six hundred and sixty-eight has the following 3 prime factors:

2
24
Two in Base 4 Quaternary
3
34
Three in Base 4 Quaternary
139
20234
One Hundred and Thirty-Nine in Base 4 Quaternary

Prime Factorization

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

242 · 341 · 202341 = 1220104

Base Conversions

The number one thousand six hundred and sixty-eight in 35 different bases