The Number

218421

Two Hundred and Eightteen Thousand Four Hundred and Twenty-One

In Base 11 Undecimal Is

13a11511

The numbers with a 11 subscript use Base 11 Undecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

218418
13a11211
Two Hundred and Eightteen Thousand Four Hundred and Eightteen in Base 11 Undecimal
218419
13a11311
Two Hundred and Eightteen Thousand Four Hundred and Nineteen in Base 11 Undecimal
218420
13a11411
Two Hundred and Eightteen Thousand Four Hundred and Twenty in Base 11 Undecimal
218422
13a11611
Two Hundred and Eightteen Thousand Four Hundred and Twenty-Two in Base 11 Undecimal
218423
13a11711
Two Hundred and Eightteen Thousand Four Hundred and Twenty-Three in Base 11 Undecimal
218424
13a11811
Two Hundred and Eightteen Thousand Four Hundred and Twenty-Four in Base 11 Undecimal

Scientific Notation

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

2.18421e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000812447576959248711

The reciprocal of 218421 in Base 11 Undecimal.

Palindrome?

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

The number 13a11511 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 eightteen thousand four hundred and twenty-one is a composite number with 12 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

Two hundred and eightteen thousand four hundred and twenty-one is a composite number with 12 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 four hundred and twenty-one has the following 3 prime factors:

3
311
Three in Base 11 Undecimal
7
711
Seven in Base 11 Undecimal
3467
267211
Three Thousand Four Hundred and Sixty-Seven in Base 11 Undecimal

Prime Factorization

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

3112 · 7111 · 2672111 = 13a11511

Base Conversions

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