The Number

21197

Twenty-One Thousand One Hundred and Ninety-Seven

In Base 21 Unovigesimal Is

261821

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

For more familiar numbers: See Twenty-One Thousand One Hundred and Ninety-Seven in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

21194
261521
Twenty-One Thousand One Hundred and Ninety-Four in Base 21 Unovigesimal
21195
261621
Twenty-One Thousand One Hundred and Ninety-Five in Base 21 Unovigesimal
21196
261721
Twenty-One Thousand One Hundred and Ninety-Six in Base 21 Unovigesimal
21198
261921
Twenty-One Thousand One Hundred and Ninety-Eight in Base 21 Unovigesimal
21199
261a21
Twenty-One Thousand One Hundred and Ninety-Nine in Base 21 Unovigesimal
21200
261b21
Twenty-One Thousand Two Hundred in Base 21 Unovigesimal

Scientific Notation

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

2.1197e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00093e30da279ag21

The reciprocal of 21197 in Base 21 Unovigesimal.

Palindrome?

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

The number 261821 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty-one thousand one hundred and ninety-seven 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.

Twenty-one thousand one hundred and ninety-seven 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 twenty-one thousand one hundred and ninety-seven has the following 3 prime factors:

11
b21
Eleven in Base 21 Unovigesimal
41
1k21
Forty-One in Base 21 Unovigesimal
47
2521
Forty-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

b211 · 1k211 · 25211 = 261821

Base Conversions

The number twenty-one thousand one hundred and ninety-seven in 35 different bases