The Number

10405

Ten Thousand Four Hundred and Five

In Base 18 Octodecimal Is

1e2118

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

For more familiar numbers: See Ten Thousand Four Hundred and Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

10402
1e1g18
Ten Thousand Four Hundred and Two in Base 18 Octodecimal
10403
1e1h18
Ten Thousand Four Hundred and Three in Base 18 Octodecimal
10404
1e2018
Ten Thousand Four Hundred and Four in Base 18 Octodecimal
10406
1e2218
Ten Thousand Four Hundred and Six in Base 18 Octodecimal
10407
1e2318
Ten Thousand Four Hundred and Seven in Base 18 Octodecimal
10408
1e2418
Ten Thousand Four Hundred and Eight in Base 18 Octodecimal

Scientific Notation

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

1.0405e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000a1af076f1be7318

The reciprocal of 10405 in Base 18 Octodecimal.

Palindrome?

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

The number 1e2118 is not a palindrome.

Not A Prime Number

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

Ten thousand four hundred and five is a composite number with 4 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Ten thousand four hundred and five is a composite number with 4 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 ten thousand four hundred and five has the following 2 prime factors:

5
518
Five in Base 18 Octodecimal
2081
67b18
Two Thousand and Eighty-One in Base 18 Octodecimal

Prime Factorization

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

5181 · 67b181 = 1e2118

Base Conversions

The number ten thousand four hundred and five in 35 different bases