The Number

213781

Two Hundred and Thirteen Thousand Seven Hundred and Eighty-One

In Base 20 Vigesimal Is

16e9120

The numbers with a 20 subscript use Base 20 Vigesimal 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
16e8i20
Two Hundred and Thirteen Thousand Seven Hundred and Seventy-Eight in Base 20 Vigesimal
213779
16e8j20
Two Hundred and Thirteen Thousand Seven Hundred and Seventy-Nine in Base 20 Vigesimal
213780
16e9020
Two Hundred and Thirteen Thousand Seven Hundred and Eighty in Base 20 Vigesimal
213782
16e9220
Two Hundred and Thirteen Thousand Seven Hundred and Eighty-Two in Base 20 Vigesimal
213783
16e9320
Two Hundred and Thirteen Thousand Seven Hundred and Eighty-Three in Base 20 Vigesimal
213784
16e9420
Two Hundred and Thirteen Thousand Seven Hundred and Eighty-Four in Base 20 Vigesimal

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.

0.0000ej78e5i901a720

The reciprocal of 213781 in Base 20 Vigesimal.

Palindrome?

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

The number 16e9120 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 20 Vigesimal

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
3b20
Seventy-One in Base 20 Vigesimal
3011
7ab20
Three Thousand and Eleven in Base 20 Vigesimal

Prime Factorization

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

3b201 · 7ab201 = 16e9120

Base Conversions

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