The Number

1643

One Thousand Six Hundred and Forty-Three

In Base 31 Untrigesimal Is

1m031

The numbers with a 31 subscript use Base 31 Untrigesimal 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
1ls31
One Thousand Six Hundred and Forty in Base 31 Untrigesimal
1641
1lt31
One Thousand Six Hundred and Forty-One in Base 31 Untrigesimal
1642
1lu31
One Thousand Six Hundred and Forty-Two in Base 31 Untrigesimal
1644
1m131
One Thousand Six Hundred and Forty-Four in Base 31 Untrigesimal
1645
1m231
One Thousand Six Hundred and Forty-Five in Base 31 Untrigesimal
1646
1m331
One Thousand Six Hundred and Forty-Six in Base 31 Untrigesimal

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.

0.00i42skej9b3f31

The reciprocal of 1643 in Base 31 Untrigesimal.

Palindrome?

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

The number 1m031 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 31 Untrigesimal

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
1031
Thirty-One in Base 31 Untrigesimal
53
1m31
Fifty-Three in Base 31 Untrigesimal

Prime Factorization

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

10311 · 1m311 = 1m031

Base Conversions

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