The Number

231

Two Hundred and Thirty-One

In Base 11 Undecimal Is

1a011

The numbers with a 11 subscript use Base 11 Undecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

228
19811
Two Hundred and Twenty-Eight in Base 11 Undecimal
229
19911
Two Hundred and Twenty-Nine in Base 11 Undecimal
230
19a11
Two Hundred and Thirty in Base 11 Undecimal
232
1a111
Two Hundred and Thirty-Two in Base 11 Undecimal
233
1a211
Two Hundred and Thirty-Three in Base 11 Undecimal
234
1a311
Two Hundred and Thirty-Four in Base 11 Undecimal

Scientific Notation

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

2.31e2

Reciprocal

A number multiplied with its reciprocal is one.

0.0058421058421058411

The reciprocal of 231 in Base 11 Undecimal.

Palindrome?

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

The number 1a011 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 is a composite number with 8 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

Two hundred and thirty-one 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 two hundred and thirty-one has the following 3 prime factors:

3
311
Three in Base 11 Undecimal
7
711
Seven in Base 11 Undecimal
11
1011
Eleven in Base 11 Undecimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

3111 · 7111 · 10111 = 1a011

Base Conversions

The number two hundred and thirty-one in 35 different bases