The Number

21251

Twenty-One Thousand Two Hundred and Fifty-One

In Base 28 Octovigesimal Is

r2r28

The numbers with a 28 subscript use Base 28 Octovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21248
r2o28
Twenty-One Thousand Two Hundred and Forty-Eight in Base 28 Octovigesimal
21249
r2p28
Twenty-One Thousand Two Hundred and Forty-Nine in Base 28 Octovigesimal
21250
r2q28
Twenty-One Thousand Two Hundred and Fifty in Base 28 Octovigesimal
21252
r3028
Twenty-One Thousand Two Hundred and Fifty-Two in Base 28 Octovigesimal
21253
r3128
Twenty-One Thousand Two Hundred and Fifty-Three in Base 28 Octovigesimal
21254
r3228
Twenty-One Thousand Two Hundred and Fifty-Four in Base 28 Octovigesimal

Scientific Notation

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

2.1251e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0010po3cqj84rm28

The reciprocal of 21251 in Base 28 Octovigesimal.

Palindrome?

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

The number r2r28 is a palindrome.

Not A Prime Number

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

Twenty-one thousand two hundred and fifty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 28 Octovigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand two hundred and fifty-one 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 two hundred and fifty-one has the following 2 prime factors:

79
2n28
Seventy-Nine in Base 28 Octovigesimal
269
9h28
Two Hundred and Sixty-Nine in Base 28 Octovigesimal

Prime Factorization

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

2n281 · 9h281 = r2r28

Base Conversions

The number twenty-one thousand two hundred and fifty-one in 35 different bases