The Number

231985

Two Hundred and Thirty-One Thousand Nine Hundred and Eighty-Five

In Base 18 Octodecimal Is

23e0118

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

For more familiar numbers: See Two Hundred and Thirty-One Thousand Nine Hundred and Eighty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

231982
23dhg18
Two Hundred and Thirty-One Thousand Nine Hundred and Eighty-Two in Base 18 Octodecimal
231983
23dhh18
Two Hundred and Thirty-One Thousand Nine Hundred and Eighty-Three in Base 18 Octodecimal
231984
23e0018
Two Hundred and Thirty-One Thousand Nine Hundred and Eighty-Four in Base 18 Octodecimal
231986
23e0218
Two Hundred and Thirty-One Thousand Nine Hundred and Eighty-Six in Base 18 Octodecimal
231987
23e0318
Two Hundred and Thirty-One Thousand Nine Hundred and Eighty-Seven in Base 18 Octodecimal
231988
23e0418
Two Hundred and Thirty-One Thousand Nine Hundred and Eighty-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.

2.31985e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000082b0g40ehad5718

The reciprocal of 231985 in Base 18 Octodecimal.

Palindrome?

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

The number 23e0118 is not a palindrome.

Not A Prime Number

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

Two hundred and thirty-one thousand nine hundred and eighty-five is a composite number with 16 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Two hundred and thirty-one thousand nine hundred and eighty-five is a composite number with 16 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 two hundred and thirty-one thousand nine hundred and eighty-five has the following 4 prime factors:

5
518
Five in Base 18 Octodecimal
13
d18
Thirteen in Base 18 Octodecimal
43
2718
Forty-Three in Base 18 Octodecimal
83
4b18
Eighty-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 · 27181 · 4b181 = 23e0118

Base Conversions

The number two hundred and thirty-one thousand nine hundred and eighty-five in 35 different bases