The Number

212809

Two Hundred and Twelve Thousand Eight Hundred and Nine

In Base 13 Tridecimal Is

75b2c13

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

For more familiar numbers: See Two Hundred and Twelve Thousand Eight Hundred and Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

212806
75b2913
Two Hundred and Twelve Thousand Eight Hundred and Six in Base 13 Tridecimal
212807
75b2a13
Two Hundred and Twelve Thousand Eight Hundred and Seven in Base 13 Tridecimal
212808
75b2b13
Two Hundred and Twelve Thousand Eight Hundred and Eight in Base 13 Tridecimal
212810
75b3013
Two Hundred and Twelve Thousand Eight Hundred and Ten in Base 13 Tridecimal
212811
75b3113
Two Hundred and Twelve Thousand Eight Hundred and Eleven in Base 13 Tridecimal
212812
75b3213
Two Hundred and Twelve Thousand Eight Hundred and Twelve in Base 13 Tridecimal

Scientific Notation

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

2.12809e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000198b20b2671b01613

The reciprocal of 212809 in Base 13 Tridecimal.

Palindrome?

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

The number 75b2c13 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 twelve thousand eight hundred and nine 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 twelve thousand eight hundred and nine 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 twelve thousand eight hundred and nine has the following 2 prime factors:

139
a913
One Hundred and Thirty-Nine in Base 13 Tridecimal
1531
90a13
One Thousand Five Hundred and Thirty-One in Base 13 Tridecimal

Prime Factorization

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

a9131 · 90a131 = 75b2c13

Base Conversions

The number two hundred and twelve thousand eight hundred and nine in 35 different bases