The Number

217438

Two Hundred and Seventeen Thousand Four Hundred and Thirty-Eight

In Base 21 Unovigesimal Is

12a1421

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

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

Nearby Numbers

Positive, nonzero integers within three units

217435
12a1121
Two Hundred and Seventeen Thousand Four Hundred and Thirty-Five in Base 21 Unovigesimal
217436
12a1221
Two Hundred and Seventeen Thousand Four Hundred and Thirty-Six in Base 21 Unovigesimal
217437
12a1321
Two Hundred and Seventeen Thousand Four Hundred and Thirty-Seven in Base 21 Unovigesimal
217439
12a1521
Two Hundred and Seventeen Thousand Four Hundred and Thirty-Nine in Base 21 Unovigesimal
217440
12a1621
Two Hundred and Seventeen Thousand Four Hundred and Forty in Base 21 Unovigesimal
217441
12a1721
Two Hundred and Seventeen 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.

2.17438e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000ig94gbkd417j21

The reciprocal of 217438 in Base 21 Unovigesimal.

Palindrome?

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

The number 12a1421 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 seventeen thousand four hundred and thirty-eight is a composite number with 8 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 seventeen thousand four hundred and thirty-eight is a composite number with 8 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 seventeen thousand four hundred and thirty-eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
8363
ik521
Eight Thousand Three Hundred and Sixty-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

2211 · d211 · ik5211 = 12a1421

Base Conversions

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