The Number

215438

Two Hundred and Fifteen Thousand Four Hundred and Thirty-Eight

In Base 21 Unovigesimal Is

125ak21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

For more familiar numbers: See Two Hundred and Fifteen Thousand Four Hundred and Thirty-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

215435
125ah21
Two Hundred and Fifteen Thousand Four Hundred and Thirty-Five in Base 21 Unovigesimal
215436
125ai21
Two Hundred and Fifteen Thousand Four Hundred and Thirty-Six in Base 21 Unovigesimal
215437
125aj21
Two Hundred and Fifteen Thousand Four Hundred and Thirty-Seven in Base 21 Unovigesimal
215439
125b021
Two Hundred and Fifteen Thousand Four Hundred and Thirty-Nine in Base 21 Unovigesimal
215440
125b121
Two Hundred and Fifteen Thousand Four Hundred and Forty in Base 21 Unovigesimal
215441
125b221
Two Hundred and Fifteen Thousand Four Hundred and Forty-One in Base 21 Unovigesimal

Scientific Notation

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

2.15438e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000ik22cke16e1321

The reciprocal of 215438 in Base 21 Unovigesimal.

Palindrome?

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

The number 125ak21 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 fifteen thousand four hundred and thirty-eight is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Two hundred and fifteen thousand four hundred and thirty-eight 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 fifteen thousand four hundred and thirty-eight has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
107719
bd5a21
One Hundred and Seven Thousand Seven Hundred and Nineteen in Base 21 Unovigesimal

Prime Factorization

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

2211 · bd5a211 = 125ak21

Base Conversions

The number two hundred and fifteen thousand four hundred and thirty-eight in 35 different bases