The Number

1643

One Thousand Six Hundred and Forty-Three

In Base 3 Ternary Is

20202123

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

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

Nearby Numbers

Positive, nonzero integers within three units

1640
20202023
One Thousand Six Hundred and Forty in Base 3 Ternary
1641
20202103
One Thousand Six Hundred and Forty-One in Base 3 Ternary
1642
20202113
One Thousand Six Hundred and Forty-Two in Base 3 Ternary
1644
20202203
One Thousand Six Hundred and Forty-Four in Base 3 Ternary
1645
20202213
One Thousand Six Hundred and Forty-Five in Base 3 Ternary
1646
20202223
One Thousand Six Hundred and Forty-Six in Base 3 Ternary

Scientific Notation

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

1.643e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00000010222211010012222001201010220121023

The reciprocal of 1643 in Base 3 Ternary.

Palindrome?

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

The number 20202123 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 forty-three 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.

One thousand six hundred and forty-three 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 one thousand six hundred and forty-three has the following 2 prime factors:

31
10113
Thirty-One in Base 3 Ternary
53
12223
Fifty-Three in Base 3 Ternary

Prime Factorization

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

101131 · 122231 = 20202123

Base Conversions

The number one thousand six hundred and forty-three in 35 different bases