The Number

1643

One Thousand Six Hundred and Forty-Three

In Base 4 Quaternary Is

1212234

The numbers with a 4 subscript use Base 4 Quaternary 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
1212204
One Thousand Six Hundred and Forty in Base 4 Quaternary
1641
1212214
One Thousand Six Hundred and Forty-One in Base 4 Quaternary
1642
1212224
One Thousand Six Hundred and Forty-Two in Base 4 Quaternary
1644
1212304
One Thousand Six Hundred and Forty-Four in Base 4 Quaternary
1645
1212314
One Thousand Six Hundred and Forty-Five in Base 4 Quaternary
1646
1212324
One Thousand Six Hundred and Forty-Six in Base 4 Quaternary

Scientific Notation

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

1.643e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00000213320311102123030013110234

The reciprocal of 1643 in Base 4 Quaternary.

Palindrome?

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

The number 1212234 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 4 Quaternary

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
1334
Thirty-One in Base 4 Quaternary
53
3114
Fifty-Three in Base 4 Quaternary

Prime Factorization

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

13341 · 31141 = 1212234

Base Conversions

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