The Number

212689

Two Hundred and Twelve Thousand Six Hundred and Eighty-Nine

In Base 21 Unovigesimal Is

11k6121

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

For more familiar numbers: See Two Hundred and Twelve Thousand Six Hundred and Eighty-Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

212686
11k5j21
Two Hundred and Twelve Thousand Six Hundred and Eighty-Six in Base 21 Unovigesimal
212687
11k5k21
Two Hundred and Twelve Thousand Six Hundred and Eighty-Seven in Base 21 Unovigesimal
212688
11k6021
Two Hundred and Twelve Thousand Six Hundred and Eighty-Eight in Base 21 Unovigesimal
212690
11k6221
Two Hundred and Twelve Thousand Six Hundred and Ninety in Base 21 Unovigesimal
212691
11k6321
Two Hundred and Twelve Thousand Six Hundred and Ninety-One in Base 21 Unovigesimal
212692
11k6421
Two Hundred and Twelve Thousand Six Hundred and Ninety-Two in Base 21 Unovigesimal

Scientific Notation

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

2.12689e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000j453fka57d1k21

The reciprocal of 212689 in Base 21 Unovigesimal.

Palindrome?

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

The number 11k6121 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 six hundred and eighty-nine is a composite number with 4 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 six hundred and eighty-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 two hundred and twelve thousand six hundred and eighty-nine has the following 2 prime factors:

53
2b21
Fifty-Three in Base 21 Unovigesimal
4013
92221
Four Thousand and Thirteen in Base 21 Unovigesimal

Prime Factorization

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

2b211 · 922211 = 11k6121

Base Conversions

The number two hundred and twelve thousand six hundred and eighty-nine in 35 different bases