The Number

431985

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

In Base 13 Tridecimal Is

12181813

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

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

Nearby Numbers

Positive, nonzero integers within three units

431982
12181513
Four Hundred and Thirty-One Thousand Nine Hundred and Eighty-Two in Base 13 Tridecimal
431983
12181613
Four Hundred and Thirty-One Thousand Nine Hundred and Eighty-Three in Base 13 Tridecimal
431984
12181713
Four Hundred and Thirty-One Thousand Nine Hundred and Eighty-Four in Base 13 Tridecimal
431986
12181913
Four Hundred and Thirty-One Thousand Nine Hundred and Eighty-Six in Base 13 Tridecimal
431987
12181a13
Four Hundred and Thirty-One Thousand Nine Hundred and Eighty-Seven in Base 13 Tridecimal
431988
12181b13
Four Hundred and Thirty-One Thousand Nine Hundred and Eighty-Eight in Base 13 Tridecimal

Scientific Notation

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

4.31985e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000b2343c6349b595713

The reciprocal of 431985 in Base 13 Tridecimal.

Palindrome?

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

The number 12181813 is not a palindrome.

Not A Prime Number

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

Four 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 13 Tridecimal

A Composite

Composites have more than just these two factors.

Four 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 four hundred and thirty-one thousand nine hundred and eighty-five has the following 4 prime factors:

3
313
Three in Base 13 Tridecimal
5
513
Five in Base 13 Tridecimal
31
2513
Thirty-One in Base 13 Tridecimal
929
56613
Nine Hundred and Twenty-Nine 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 · 5131 · 25131 · 566131 = 12181813

Base Conversions

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