The Number

213781

Two Hundred and Thirteen Thousand Seven Hundred and Eighty-One

In Base 13 Tridecimal Is

763c913

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

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

Nearby Numbers

Positive, nonzero integers within three units

213778
763c613
Two Hundred and Thirteen Thousand Seven Hundred and Seventy-Eight in Base 13 Tridecimal
213779
763c713
Two Hundred and Thirteen Thousand Seven Hundred and Seventy-Nine in Base 13 Tridecimal
213780
763c813
Two Hundred and Thirteen Thousand Seven Hundred and Eighty in Base 13 Tridecimal
213782
763ca13
Two Hundred and Thirteen Thousand Seven Hundred and Eighty-Two in Base 13 Tridecimal
213783
763cb13
Two Hundred and Thirteen Thousand Seven Hundred and Eighty-Three in Base 13 Tridecimal
213784
763cc13
Two Hundred and Thirteen Thousand Seven Hundred and Eighty-Four in Base 13 Tridecimal

Scientific Notation

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

2.13781e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000019769664030ac713

The reciprocal of 213781 in Base 13 Tridecimal.

Palindrome?

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

The number 763c913 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 thirteen thousand seven hundred and eighty-one is a composite number with 4 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 thirteen thousand seven hundred and eighty-one is a composite number with 4 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 thirteen thousand seven hundred and eighty-one has the following 2 prime factors:

71
5613
Seventy-One in Base 13 Tridecimal
3011
14a813
Three Thousand and Eleven in Base 13 Tridecimal

Prime Factorization

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

56131 · 14a8131 = 763c913

Base Conversions

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