The Number

19690

Nineteen Thousand Six Hundred and Ninety

In Base 21 Unovigesimal Is

22dd21

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

For more familiar numbers: See Nineteen Thousand Six Hundred and Ninety in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

19687
22da21
Nineteen Thousand Six Hundred and Eighty-Seven in Base 21 Unovigesimal
19688
22db21
Nineteen Thousand Six Hundred and Eighty-Eight in Base 21 Unovigesimal
19689
22dc21
Nineteen Thousand Six Hundred and Eighty-Nine in Base 21 Unovigesimal
19691
22de21
Nineteen Thousand Six Hundred and Ninety-One in Base 21 Unovigesimal
19692
22df21
Nineteen Thousand Six Hundred and Ninety-Two in Base 21 Unovigesimal
19693
22dg21
Nineteen Thousand Six 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.

1.9690e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0009i8h53i6gj51a21

The reciprocal of 19690 in Base 21 Unovigesimal.

Palindrome?

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

The number 22dd21 is not a palindrome.

Not A Prime Number

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

Nineteen thousand six hundred and ninety is a composite number with 16 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Nineteen thousand six hundred and ninety is a composite number with 16 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 nineteen thousand six hundred and ninety has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
179
8b21
One Hundred and Seventy-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 · b211 · 8b211 = 22dd21

Base Conversions

The number nineteen thousand six hundred and ninety in 35 different bases