The Number

640042

Six Hundred and Forty Thousand and Forty-Two

In Base 13 Tridecimal Is

19543013

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

640039
19542a13
Six Hundred and Forty Thousand and Thirty-Nine in Base 13 Tridecimal
640040
19542b13
Six Hundred and Forty Thousand and Forty in Base 13 Tridecimal
640041
19542c13
Six Hundred and Forty Thousand and Forty-One in Base 13 Tridecimal
640043
19543113
Six Hundred and Forty Thousand and Forty-Three in Base 13 Tridecimal
640044
19543213
Six Hundred and Forty Thousand and Forty-Four in Base 13 Tridecimal
640045
19543313
Six Hundred and Forty Thousand and Forty-Five in Base 13 Tridecimal

Scientific Notation

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

6.40042e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000770659b2735a85713

The reciprocal of 640042 in Base 13 Tridecimal.

Palindrome?

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

The number 19543013 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 and forty-two is a composite number with 16 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Six hundred and forty thousand and forty-two is a composite number with 16 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 and forty-two has the following 4 prime factors:

2
213
Two in Base 13 Tridecimal
13
1013
Thirteen in Base 13 Tridecimal
103
7c13
One Hundred and Three in Base 13 Tridecimal
239
15513
Two Hundred and Thirty-Nine in Base 13 Tridecimal

Prime Factorization

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

2131 · 10131 · 7c131 · 155131 = 19543013

Base Conversions

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