The Number

215388

Two Hundred and Fifteen Thousand Three Hundred and Eighty-Eight

In Base 21 Unovigesimal Is

1258c21

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

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

Nearby Numbers

Positive, nonzero integers within three units

215385
1258921
Two Hundred and Fifteen Thousand Three Hundred and Eighty-Five in Base 21 Unovigesimal
215386
1258a21
Two Hundred and Fifteen Thousand Three Hundred and Eighty-Six in Base 21 Unovigesimal
215387
1258b21
Two Hundred and Fifteen Thousand Three Hundred and Eighty-Seven in Base 21 Unovigesimal
215389
1258d21
Two Hundred and Fifteen Thousand Three Hundred and Eighty-Nine in Base 21 Unovigesimal
215390
1258e21
Two Hundred and Fifteen Thousand Three Hundred and Ninety in Base 21 Unovigesimal
215391
1258f21
Two Hundred and Fifteen Thousand Three Hundred and Ninety-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.

2.15388e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000ik417hch2f1921

The reciprocal of 215388 in Base 21 Unovigesimal.

Palindrome?

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

The number 1258c21 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 three hundred and eighty-eight is a composite number with 36 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 three hundred and eighty-eight is a composite number with 36 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 three hundred and eighty-eight has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
31
1a21
Thirty-One in Base 21 Unovigesimal
193
9421
One Hundred and Ninety-Three in Base 21 Unovigesimal

Prime Factorization

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

2212 · 3212 · 1a211 · 94211 = 1258c21

Base Conversions

The number two hundred and fifteen thousand three hundred and eighty-eight in 35 different bases