The Number

640342

Six Hundred and Forty Thousand Three Hundred and Forty-Two

In Base 31 Untrigesimal Is

lfa631

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

640339
lfa331
Six Hundred and Forty Thousand Three Hundred and Thirty-Nine in Base 31 Untrigesimal
640340
lfa431
Six Hundred and Forty Thousand Three Hundred and Forty in Base 31 Untrigesimal
640341
lfa531
Six Hundred and Forty Thousand Three Hundred and Forty-One in Base 31 Untrigesimal
640343
lfa731
Six Hundred and Forty Thousand Three Hundred and Forty-Three in Base 31 Untrigesimal
640344
lfa831
Six Hundred and Forty Thousand Three Hundred and Forty-Four in Base 31 Untrigesimal
640345
lfa931
Six Hundred and Forty Thousand Three Hundred and Forty-Five in Base 31 Untrigesimal

Scientific Notation

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

6.40342e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001dluffb9lktd31

The reciprocal of 640342 in Base 31 Untrigesimal.

Palindrome?

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

The number lfa631 is not a palindrome.

Not A Prime Number

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

Six hundred and forty thousand three hundred and forty-two is a composite number with 8 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

Six hundred and forty thousand three hundred and forty-two is a composite number with 8 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 six hundred and forty thousand three hundred and forty-two has the following 3 prime factors:

2
231
Two in Base 31 Untrigesimal
353
bc31
Three Hundred and Fifty-Three in Base 31 Untrigesimal
907
t831
Nine Hundred and Seven in Base 31 Untrigesimal

Prime Factorization

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

2311 · bc311 · t8311 = lfa631

Base Conversions

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