The Number

668400

Six Hundred and Sixty-Eight Thousand Four Hundred

In Base 13 Tridecimal Is

1a530513

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

For more familiar numbers: See Six Hundred and Sixty-Eight Thousand Four Hundred in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

668397
1a530213
Six Hundred and Sixty-Eight Thousand Three Hundred and Ninety-Seven in Base 13 Tridecimal
668398
1a530313
Six Hundred and Sixty-Eight Thousand Three Hundred and Ninety-Eight in Base 13 Tridecimal
668399
1a530413
Six Hundred and Sixty-Eight Thousand Three Hundred and Ninety-Nine in Base 13 Tridecimal
668401
1a530613
Six Hundred and Sixty-Eight Thousand Four Hundred and One in Base 13 Tridecimal
668402
1a530713
Six Hundred and Sixty-Eight Thousand Four Hundred and Two in Base 13 Tridecimal
668403
1a530813
Six Hundred and Sixty-Eight Thousand Four Hundred and Three in Base 13 Tridecimal

Scientific Notation

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

6.68400e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000072b5663a214a90713

The reciprocal of 668400 in Base 13 Tridecimal.

Palindrome?

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

The number 1a530513 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 sixty-eight thousand four hundred is a composite number with 60 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 sixty-eight thousand four hundred is a composite number with 60 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 sixty-eight thousand four hundred has the following 4 prime factors:

2
213
Two in Base 13 Tridecimal
3
313
Three in Base 13 Tridecimal
5
513
Five in Base 13 Tridecimal
557
33b13
Five Hundred and Fifty-Seven in Base 13 Tridecimal

Prime Factorization

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

2134 · 3131 · 5132 · 33b131 = 1a530513

Base Conversions

The number six hundred and sixty-eight thousand four hundred in 35 different bases