The Number

21869

Twenty-One Thousand Eight Hundred and Sixty-Nine

In Base 20 Vigesimal Is

2ed920

The numbers with a 20 subscript use Base 20 Vigesimal notation.

For more familiar numbers: See Twenty-One Thousand Eight Hundred and Sixty-Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

21866
2ed620
Twenty-One Thousand Eight Hundred and Sixty-Six in Base 20 Vigesimal
21867
2ed720
Twenty-One Thousand Eight Hundred and Sixty-Seven in Base 20 Vigesimal
21868
2ed820
Twenty-One Thousand Eight Hundred and Sixty-Eight in Base 20 Vigesimal
21870
2eda20
Twenty-One Thousand Eight Hundred and Seventy in Base 20 Vigesimal
21871
2edb20
Twenty-One Thousand Eight Hundred and Seventy-One in Base 20 Vigesimal
21872
2edc20
Twenty-One Thousand Eight Hundred and Seventy-Two in Base 20 Vigesimal

Scientific Notation

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

2.1869e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000766a6fi0114720

The reciprocal of 21869 in Base 20 Vigesimal.

Palindrome?

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

The number 2ed920 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 eight hundred and sixty-nine is a composite number with 4 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand eight hundred and sixty-nine is a composite number with 4 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 eight hundred and sixty-nine has the following 2 prime factors:

19
j20
Nineteen in Base 20 Vigesimal
1151
2hb20
One Thousand One Hundred and Fifty-One in Base 20 Vigesimal

Prime Factorization

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

j201 · 2hb201 = 2ed920

Base Conversions

The number twenty-one thousand eight hundred and sixty-nine in 35 different bases