The Number

309980

Three Hundred and Nine Thousand Nine Hundred and Eighty

In Base 18 Octodecimal Is

2h2d218

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

For more familiar numbers: See Three Hundred and Nine Thousand Nine Hundred and Eighty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

309977
2h2ch18
Three Hundred and Nine Thousand Nine Hundred and Seventy-Seven in Base 18 Octodecimal
309978
2h2d018
Three Hundred and Nine Thousand Nine Hundred and Seventy-Eight in Base 18 Octodecimal
309979
2h2d118
Three Hundred and Nine Thousand Nine Hundred and Seventy-Nine in Base 18 Octodecimal
309981
2h2d318
Three Hundred and Nine Thousand Nine Hundred and Eighty-One in Base 18 Octodecimal
309982
2h2d418
Three Hundred and Nine Thousand Nine Hundred and Eighty-Two in Base 18 Octodecimal
309983
2h2d518
Three Hundred and Nine Thousand Nine Hundred and Eighty-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.

3.09980e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000061d09h60g920718

The reciprocal of 309980 in Base 18 Octodecimal.

Palindrome?

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

The number 2h2d218 is not a palindrome.

Not A Prime Number

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

Three hundred and nine thousand nine hundred and eighty is a composite number with 24 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Three hundred and nine thousand nine hundred and eighty is a composite number with 24 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 three hundred and nine thousand nine hundred and eighty has the following 4 prime factors:

2
218
Two in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal
11
b18
Eleven in Base 18 Octodecimal
1409
46518
One Thousand Four Hundred and 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

2182 · 5181 · b181 · 465181 = 2h2d218

Base Conversions

The number three hundred and nine thousand nine hundred and eighty in 35 different bases