The Number

123872

One Hundred and Twenty-Three Thousand Eight Hundred and Seventy-Two

In Base 18 Octodecimal Is

1345e18

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

For more familiar numbers: See One Hundred and Twenty-Three Thousand Eight Hundred and Seventy-Two in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

123869
1345b18
One Hundred and Twenty-Three Thousand Eight Hundred and Sixty-Nine in Base 18 Octodecimal
123870
1345c18
One Hundred and Twenty-Three Thousand Eight Hundred and Seventy in Base 18 Octodecimal
123871
1345d18
One Hundred and Twenty-Three Thousand Eight Hundred and Seventy-One in Base 18 Octodecimal
123873
1345f18
One Hundred and Twenty-Three Thousand Eight Hundred and Seventy-Three in Base 18 Octodecimal
123874
1345g18
One Hundred and Twenty-Three Thousand Eight Hundred and Seventy-Four in Base 18 Octodecimal
123875
1345h18
One Hundred and Twenty-Three Thousand Eight Hundred and Seventy-Five in Base 18 Octodecimal

Scientific Notation

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

1.23872e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000f4a68c354bh218

The reciprocal of 123872 in Base 18 Octodecimal.

Palindrome?

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

The number 1345e18 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-three thousand eight hundred and seventy-two is a composite number with 36 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-three thousand eight hundred and seventy-two is a composite number with 36 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-three thousand eight hundred and seventy-two has the following 3 prime factors:

2
218
Two in Base 18 Octodecimal
7
718
Seven in Base 18 Octodecimal
79
4718
Seventy-Nine 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 · 7182 · 47181 = 1345e18

Base Conversions

The number one hundred and twenty-three thousand eight hundred and seventy-two in 35 different bases