The Number

218121

Two Hundred and Eightteen Thousand One Hundred and Twenty-One

In Base 13 Tridecimal Is

7838713

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

For more familiar numbers: See Two Hundred and Eightteen Thousand One Hundred and Twenty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

218118
7838413
Two Hundred and Eightteen Thousand One Hundred and Eightteen in Base 13 Tridecimal
218119
7838513
Two Hundred and Eightteen Thousand One Hundred and Nineteen in Base 13 Tridecimal
218120
7838613
Two Hundred and Eightteen Thousand One Hundred and Twenty in Base 13 Tridecimal
218122
7838813
Two Hundred and Eightteen Thousand One Hundred and Twenty-Two in Base 13 Tridecimal
218123
7838913
Two Hundred and Eightteen Thousand One Hundred and Twenty-Three in Base 13 Tridecimal
218124
7838a13
Two Hundred and Eightteen Thousand One Hundred and Twenty-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.

2.18121e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00001918a67a237191313

The reciprocal of 218121 in Base 13 Tridecimal.

Palindrome?

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

The number 7838713 is a palindrome.

Not A Prime Number

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

Two hundred and eightteen thousand one hundred and twenty-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 eightteen thousand one hundred and twenty-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 eightteen thousand one hundred and twenty-one has the following 2 prime factors:

3
313
Three in Base 13 Tridecimal
72707
2712b13
Seventy-Two Thousand Seven Hundred and 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 · 2712b131 = 7838713

Base Conversions

The number two hundred and eightteen thousand one hundred and twenty-one in 35 different bases