The Number

643

Six Hundred and Forty-Three

In Base 30 Trigesimal Is

ld30

The numbers with a 30 subscript use Base 30 Trigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

640
la30
Six Hundred and Forty in Base 30 Trigesimal
641
lb30
Six Hundred and Forty-One in Base 30 Trigesimal
642
lc30
Six Hundred and Forty-Two in Base 30 Trigesimal
644
le30
Six Hundred and Forty-Four in Base 30 Trigesimal
645
lf30
Six Hundred and Forty-Five in Base 30 Trigesimal
646
lg30
Six Hundred and Forty-Six in Base 30 Trigesimal

Scientific Notation

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

6.43e2

Reciprocal

A number multiplied with its reciprocal is one.

0.01btli1kbjrk30

The reciprocal of 643 in Base 30 Trigesimal.

Palindrome?

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

The number ld30 is not a palindrome.

A Prime Number

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

Six hundred and forty-three is the 117th prime number.   See primes in Base 30 Trigesimal

Not A Composite

Composites have more than just these two factors.

Six Hundred and Forty-Three is not a composite number because it has exactly two factors: One and Six Hundred and Forty-Three

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number six hundred and forty-three has the following 1 prime factor:

643
ld30
Six Hundred and Forty-Three in Base 30 Trigesimal

Prime Factorization

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

ld301 = ld30

Base Conversions

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