The Number

218129

Two Hundred and Eightteen Thousand One Hundred and Twenty-Nine

In Base 21 Unovigesimal Is

12bd221

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

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

Nearby Numbers

Positive, nonzero integers within three units

218126
12bck21
Two Hundred and Eightteen Thousand One Hundred and Twenty-Six in Base 21 Unovigesimal
218127
12bd021
Two Hundred and Eightteen Thousand One Hundred and Twenty-Seven in Base 21 Unovigesimal
218128
12bd121
Two Hundred and Eightteen Thousand One Hundred and Twenty-Eight in Base 21 Unovigesimal
218130
12bd321
Two Hundred and Eightteen Thousand One Hundred and Thirty in Base 21 Unovigesimal
218131
12bd421
Two Hundred and Eightteen Thousand One Hundred and Thirty-One in Base 21 Unovigesimal
218132
12bd521
Two Hundred and Eightteen Thousand One Hundred and Thirty-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.

2.18129e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000if3kff23dk5h21

The reciprocal of 218129 in Base 21 Unovigesimal.

Palindrome?

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

The number 12bd221 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 twenty-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 eightteen thousand one hundred and twenty-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 eightteen thousand one hundred and twenty-nine has the following 2 prime factors:

331
fg21
Three Hundred and Thirty-One in Base 21 Unovigesimal
659
1a821
Six Hundred and Fifty-Nine in Base 21 Unovigesimal

Prime Factorization

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

fg211 · 1a8211 = 12bd221

Base Conversions

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