The Number

216648

Two Hundred and Sixteen Thousand Six Hundred and Forty-Eight

In Base 21 Unovigesimal Is

1285c21

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

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

Nearby Numbers

Positive, nonzero integers within three units

216645
1285921
Two Hundred and Sixteen Thousand Six Hundred and Forty-Five in Base 21 Unovigesimal
216646
1285a21
Two Hundred and Sixteen Thousand Six Hundred and Forty-Six in Base 21 Unovigesimal
216647
1285b21
Two Hundred and Sixteen Thousand Six Hundred and Forty-Seven in Base 21 Unovigesimal
216649
1285d21
Two Hundred and Sixteen Thousand Six Hundred and Forty-Nine in Base 21 Unovigesimal
216650
1285e21
Two Hundred and Sixteen Thousand Six Hundred and Fifty in Base 21 Unovigesimal
216651
1285f21
Two Hundred and Sixteen Thousand Six Hundred and Fifty-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.

2.16648e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000ihi91g2156hg21

The reciprocal of 216648 in Base 21 Unovigesimal.

Palindrome?

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

The number 1285c21 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 six hundred and forty-eight is a composite number with 64 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 six hundred and forty-eight is a composite number with 64 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 six hundred and forty-eight has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
17
h21
Seventeen in Base 21 Unovigesimal
59
2h21
Fifty-Nine in Base 21 Unovigesimal

Prime Factorization

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

2213 · 3213 · h211 · 2h211 = 1285c21

Base Conversions

The number two hundred and sixteen thousand six hundred and forty-eight in 35 different bases