The Number

231987

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

In Base 13 Tridecimal Is

8179213

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

231984
8178c13
Two Hundred and Thirty-One Thousand Nine Hundred and Eighty-Four in Base 13 Tridecimal
231985
8179013
Two Hundred and Thirty-One Thousand Nine Hundred and Eighty-Five in Base 13 Tridecimal
231986
8179113
Two Hundred and Thirty-One Thousand Nine Hundred and Eighty-Six in Base 13 Tridecimal
231988
8179313
Two Hundred and Thirty-One Thousand Nine Hundred and Eighty-Eight in Base 13 Tridecimal
231989
8179413
Two Hundred and Thirty-One Thousand Nine Hundred and Eighty-Nine in Base 13 Tridecimal
231990
8179513
Two Hundred and Thirty-One Thousand Nine Hundred and Ninety in Base 13 Tridecimal

Scientific Notation

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

2.31987e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000017a637c2200b87213

The reciprocal of 231987 in Base 13 Tridecimal.

Palindrome?

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

The number 8179213 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-seven is a composite number with 8 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Two hundred and thirty-one thousand nine hundred and eighty-seven 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 thousand nine hundred and eighty-seven has the following 3 prime factors:

3
313
Three in Base 13 Tridecimal
7
713
Seven in Base 13 Tridecimal
11047
504a13
Eleven Thousand and Forty-Seven in Base 13 Tridecimal

Prime Factorization

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

3131 · 7131 · 504a131 = 8179213

Base Conversions

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