The Number

231

Two Hundred and Thirty-One

In Base 9 Nonary Is

2769

The numbers with a 9 subscript use Base 9 Nonary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

228
2739
Two Hundred and Twenty-Eight in Base 9 Nonary
229
2749
Two Hundred and Twenty-Nine in Base 9 Nonary
230
2759
Two Hundred and Thirty in Base 9 Nonary
232
2779
Two Hundred and Thirty-Two in Base 9 Nonary
233
2789
Two Hundred and Thirty-Three in Base 9 Nonary
234
2809
Two Hundred and Thirty-Four in Base 9 Nonary

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.

0.00313554386805230319

The reciprocal of 231 in Base 9 Nonary.

Palindrome?

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

The number 2769 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 9 Nonary

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
39
Three in Base 9 Nonary
7
79
Seven in Base 9 Nonary
11
129
Eleven in Base 9 Nonary

Prime Factorization

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

391 · 791 · 1291 = 2769

Base Conversions

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