The Number

218138

Two Hundred and Eightteen Thousand One Hundred and Thirty-Eight

In Base 21 Unovigesimal Is

12bdb21

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

For more familiar numbers: See Two Hundred and Eightteen Thousand One Hundred and Thirty-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

218135
12bd821
Two Hundred and Eightteen Thousand One Hundred and Thirty-Five in Base 21 Unovigesimal
218136
12bd921
Two Hundred and Eightteen Thousand One Hundred and Thirty-Six in Base 21 Unovigesimal
218137
12bda21
Two Hundred and Eightteen Thousand One Hundred and Thirty-Seven in Base 21 Unovigesimal
218139
12bdc21
Two Hundred and Eightteen Thousand One Hundred and Thirty-Nine in Base 21 Unovigesimal
218140
12bdd21
Two Hundred and Eightteen Thousand One Hundred and Forty in Base 21 Unovigesimal
218141
12bde21
Two Hundred and Eightteen Thousand One Hundred and Forty-One in Base 21 Unovigesimal

Scientific Notation

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

2.18138e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000if3dca3a782b21

The reciprocal of 218138 in Base 21 Unovigesimal.

Palindrome?

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

The number 12bdb21 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 eightteen thousand one hundred and thirty-eight is a composite number with 8 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 eightteen thousand one hundred and thirty-eight is a composite number with 8 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 eightteen thousand one hundred and thirty-eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
29
1821
Twenty-Nine in Base 21 Unovigesimal
3761
8b221
Three Thousand Seven Hundred and Sixty-One 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 · 18211 · 8b2211 = 12bdb21

Base Conversions

The number two hundred and eightteen thousand one hundred and thirty-eight in 35 different bases