The Number

212742

Two Hundred and Twelve Thousand Seven Hundred and Forty-Two

In Base 21 Unovigesimal Is

11k8c21

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

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

Nearby Numbers

Positive, nonzero integers within three units

212739
11k8921
Two Hundred and Twelve Thousand Seven Hundred and Thirty-Nine in Base 21 Unovigesimal
212740
11k8a21
Two Hundred and Twelve Thousand Seven Hundred and Forty in Base 21 Unovigesimal
212741
11k8b21
Two Hundred and Twelve Thousand Seven Hundred and Forty-One in Base 21 Unovigesimal
212743
11k8d21
Two Hundred and Twelve Thousand Seven Hundred and Forty-Three in Base 21 Unovigesimal
212744
11k8e21
Two Hundred and Twelve Thousand Seven Hundred and Forty-Four in Base 21 Unovigesimal
212745
11k8f21
Two Hundred and Twelve Thousand Seven Hundred and Forty-Five in Base 21 Unovigesimal

Scientific Notation

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

2.12742e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000j4319cj5je6321

The reciprocal of 212742 in Base 21 Unovigesimal.

Palindrome?

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

The number 11k8c21 is not a palindrome.

Not A Prime Number

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

Two hundred and twelve thousand seven hundred and forty-two is a composite number with 24 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Two hundred and twelve thousand seven hundred and forty-two is a composite number with 24 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 two hundred and twelve thousand seven hundred and forty-two has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
53
2b21
Fifty-Three in Base 21 Unovigesimal
223
ad21
Two Hundred and Twenty-Three 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 · 3212 · 2b211 · ad211 = 11k8c21

Base Conversions

The number two hundred and twelve thousand seven hundred and forty-two in 35 different bases