The Number

121745

One Hundred and Twenty-One Thousand Seven Hundred and Forty-Five

In Base 18 Octodecimal Is

12fdb18

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

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

Nearby Numbers

Positive, nonzero integers within three units

121742
12fd818
One Hundred and Twenty-One Thousand Seven Hundred and Forty-Two in Base 18 Octodecimal
121743
12fd918
One Hundred and Twenty-One Thousand Seven Hundred and Forty-Three in Base 18 Octodecimal
121744
12fda18
One Hundred and Twenty-One Thousand Seven Hundred and Forty-Four in Base 18 Octodecimal
121746
12fdc18
One Hundred and Twenty-One Thousand Seven Hundred and Forty-Six in Base 18 Octodecimal
121747
12fdd18
One Hundred and Twenty-One Thousand Seven Hundred and Forty-Seven in Base 18 Octodecimal
121748
12fde18
One Hundred and Twenty-One 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.

1.21745e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000f96cd5ge0931818

The reciprocal of 121745 in Base 18 Octodecimal.

Palindrome?

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

The number 12fdb18 is not a palindrome.

Not A Prime Number

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

One hundred and twenty-one thousand seven hundred and forty-five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

One hundred and twenty-one thousand seven hundred and forty-five is a composite number with 8 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 one hundred and twenty-one thousand seven hundred and forty-five has the following 3 prime factors:

5
518
Five in Base 18 Octodecimal
13
d18
Thirteen in Base 18 Octodecimal
1873
5e118
One Thousand Eight Hundred and Seventy-Three 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 · d181 · 5e1181 = 12fdb18

Base Conversions

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