The Number

218142

Two Hundred and Eightteen Thousand One Hundred and Forty-Two

In Base 21 Unovigesimal Is

12bdf21

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

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

Nearby Numbers

Positive, nonzero integers within three units

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
218143
12bdg21
Two Hundred and Eightteen Thousand One Hundred and Forty-Three in Base 21 Unovigesimal
218144
12bdh21
Two Hundred and Eightteen Thousand One Hundred and Forty-Four in Base 21 Unovigesimal
218145
12bdi21
Two Hundred and Eightteen Thousand One 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.

2.18142e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000if3a8f13ae1721

The reciprocal of 218142 in Base 21 Unovigesimal.

Palindrome?

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

The number 12bdf21 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 forty-two is a composite number with 12 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 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 two hundred and eightteen thousand one hundred and forty-two has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
12119
16a221
Twelve Thousand One Hundred and Nineteen 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 · 16a2211 = 12bdf21

Base Conversions

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