The Number

21142

Twenty-One Thousand One Hundred and Forty-Two

In Base 28 Octovigesimal Is

qr228

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

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

Nearby Numbers

Positive, nonzero integers within three units

21139
qqr28
Twenty-One Thousand One Hundred and Thirty-Nine in Base 28 Octovigesimal
21140
qr028
Twenty-One Thousand One Hundred and Forty in Base 28 Octovigesimal
21141
qr128
Twenty-One Thousand One Hundred and Forty-One in Base 28 Octovigesimal
21143
qr328
Twenty-One Thousand One Hundred and Forty-Three in Base 28 Octovigesimal
21144
qr428
Twenty-One Thousand One Hundred and Forty-Four in Base 28 Octovigesimal
21145
qr528
Twenty-One Thousand One Hundred and Forty-Five in Base 28 Octovigesimal

Scientific Notation

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

2.1142e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0011210pokll1728

The reciprocal of 21142 in Base 28 Octovigesimal.

Palindrome?

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

The number qr228 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 forty-two is a composite number with 12 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 one hundred and forty-two is a composite number with 12 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 forty-two has the following 3 prime factors:

2
228
Two in Base 28 Octovigesimal
11
b28
Eleven in Base 28 Octovigesimal
31
1328
Thirty-One in Base 28 Octovigesimal

Prime Factorization

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

2281 · b281 · 13282 = qr228

Base Conversions

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