The Number

290

Two Hundred and Ninety

In Base 21 Unovigesimal Is

dh21

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

For more familiar numbers: See Two Hundred and Ninety in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

287
de21
Two Hundred and Eighty-Seven in Base 21 Unovigesimal
288
df21
Two Hundred and Eighty-Eight in Base 21 Unovigesimal
289
dg21
Two Hundred and Eighty-Nine in Base 21 Unovigesimal
291
di21
Two Hundred and Ninety-One in Base 21 Unovigesimal
292
dj21
Two Hundred and Ninety-Two in Base 21 Unovigesimal
293
dk21
Two Hundred and Ninety-Three in Base 21 Unovigesimal

Scientific Notation

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

2.90e2

Reciprocal

A number multiplied with its reciprocal is one.

0.01ajd252k76c8121

The reciprocal of 290 in Base 21 Unovigesimal.

Palindrome?

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

The number dh21 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 ninety 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 ninety 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 ninety has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
29
1821
Twenty-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

2211 · 5211 · 18211 = dh21

Base Conversions

The number two hundred and ninety in 35 different bases