The Number

20745

Twenty Thousand Seven Hundred and Forty-Five

In Base 18 Octodecimal Is

3a0918

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

For more familiar numbers: See Twenty Thousand Seven Hundred and Forty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

20742
3a0618
Twenty Thousand Seven Hundred and Forty-Two in Base 18 Octodecimal
20743
3a0718
Twenty Thousand Seven Hundred and Forty-Three in Base 18 Octodecimal
20744
3a0818
Twenty Thousand Seven Hundred and Forty-Four in Base 18 Octodecimal
20746
3a0a18
Twenty Thousand Seven Hundred and Forty-Six in Base 18 Octodecimal
20747
3a0b18
Twenty Thousand Seven Hundred and Forty-Seven in Base 18 Octodecimal
20748
3a0c18
Twenty Thousand Seven Hundred and Forty-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.

2.0745e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0005119c7g9a5h7118

The reciprocal of 20745 in Base 18 Octodecimal.

Palindrome?

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

The number 3a0918 is not a palindrome.

Not A Prime Number

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

Twenty thousand seven hundred and forty-five is a composite number with 12 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Twenty thousand seven hundred and forty-five is a composite number with 12 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 twenty thousand seven hundred and forty-five has the following 3 prime factors:

3
318
Three in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal
461
17b18
Four Hundred and Sixty-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

3182 · 5181 · 17b181 = 3a0918

Base Conversions

The number twenty thousand seven hundred and forty-five in 35 different bases