The Number

68640

Sixty-Eight Thousand Six Hundred and Forty

In Base 18 Octodecimal Is

bdf618

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

68637
bdf318
Sixty-Eight Thousand Six Hundred and Thirty-Seven in Base 18 Octodecimal
68638
bdf418
Sixty-Eight Thousand Six Hundred and Thirty-Eight in Base 18 Octodecimal
68639
bdf518
Sixty-Eight Thousand Six Hundred and Thirty-Nine in Base 18 Octodecimal
68641
bdf718
Sixty-Eight Thousand Six Hundred and Forty-One in Base 18 Octodecimal
68642
bdf818
Sixty-Eight Thousand Six Hundred and Forty-Two in Base 18 Octodecimal
68643
bdf918
Sixty-Eight Thousand Six Hundred and Forty-Three in Base 18 Octodecimal

Scientific Notation

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

6.8640e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000199953e7bdb2d618

The reciprocal of 68640 in Base 18 Octodecimal.

Palindrome?

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

The number bdf618 is not a palindrome.

Not A Prime Number

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

Sixty-eight thousand six hundred and forty is a composite number with 96 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Sixty-eight thousand six hundred and forty is a composite number with 96 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 sixty-eight thousand six hundred and forty has the following 5 prime factors:

2
218
Two in Base 18 Octodecimal
3
318
Three in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal
11
b18
Eleven in Base 18 Octodecimal
13
d18
Thirteen in Base 18 Octodecimal

Prime Factorization

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

2185 · 3181 · 5181 · b181 · d181 = bdf618

Base Conversions

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