The Number

1643

One Thousand Six Hundred and Forty-Three

In Base 9 Nonary Is

22259

The numbers with a 9 subscript use Base 9 Nonary 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
22229
One Thousand Six Hundred and Forty in Base 9 Nonary
1641
22239
One Thousand Six Hundred and Forty-One in Base 9 Nonary
1642
22249
One Thousand Six Hundred and Forty-Two in Base 9 Nonary
1644
22269
One Thousand Six Hundred and Forty-Four in Base 9 Nonary
1645
22279
One Thousand Six Hundred and Forty-Five in Base 9 Nonary
1646
22289
One Thousand Six Hundred and Forty-Six in Base 9 Nonary

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.

0.000388410586163381729

The reciprocal of 1643 in Base 9 Nonary.

Palindrome?

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

The number 22259 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 9 Nonary

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
349
Thirty-One in Base 9 Nonary
53
589
Fifty-Three in Base 9 Nonary

Prime Factorization

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

3491 · 5891 = 22259

Base Conversions

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