The Number

216908

Two Hundred and Sixteen Thousand Nine Hundred and Eight

In Base 21 Unovigesimal Is

128hk21

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

For more familiar numbers: See Two Hundred and Sixteen Thousand Nine Hundred and Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

216905
128hh21
Two Hundred and Sixteen Thousand Nine Hundred and Five in Base 21 Unovigesimal
216906
128hi21
Two Hundred and Sixteen Thousand Nine Hundred and Six in Base 21 Unovigesimal
216907
128hj21
Two Hundred and Sixteen Thousand Nine Hundred and Seven in Base 21 Unovigesimal
216909
128i021
Two Hundred and Sixteen Thousand Nine Hundred and Nine in Base 21 Unovigesimal
216910
128i121
Two Hundred and Sixteen Thousand Nine Hundred and Ten in Base 21 Unovigesimal
216911
128i221
Two Hundred and Sixteen Thousand Nine Hundred and Eleven in Base 21 Unovigesimal

Scientific Notation

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

2.16908e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000ih89h411g16521

The reciprocal of 216908 in Base 21 Unovigesimal.

Palindrome?

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

The number 128hk21 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 sixteen thousand nine hundred and eight is a composite number with 12 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 sixteen thousand nine hundred and eight 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 sixteen thousand nine hundred and eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
211
a121
Two Hundred and Eleven in Base 21 Unovigesimal
257
c521
Two Hundred and Fifty-Seven 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 · a1211 · c5211 = 128hk21

Base Conversions

The number two hundred and sixteen thousand nine hundred and eight in 35 different bases