The Number

21128

Twenty-One Thousand One Hundred and Twenty-Eight

In Base 22 Duovigesimal Is

1le822

The numbers with a 22 subscript use Base 22 Duovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21125
1le522
Twenty-One Thousand One Hundred and Twenty-Five in Base 22 Duovigesimal
21126
1le622
Twenty-One Thousand One Hundred and Twenty-Six in Base 22 Duovigesimal
21127
1le722
Twenty-One Thousand One Hundred and Twenty-Seven in Base 22 Duovigesimal
21129
1le922
Twenty-One Thousand One Hundred and Twenty-Nine in Base 22 Duovigesimal
21130
1lea22
Twenty-One Thousand One Hundred and Thirty in Base 22 Duovigesimal
21131
1leb22
Twenty-One Thousand One Hundred and Thirty-One in Base 22 Duovigesimal

Scientific Notation

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

2.1128e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000b1k77e13e9l3a22

The reciprocal of 21128 in Base 22 Duovigesimal.

Palindrome?

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

The number 1le822 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand one hundred and twenty-eight is a composite number with 16 total factors (including 1 and itself).   See primes in Base 22 Duovigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand one hundred and twenty-eight is a composite number with 16 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 twenty-one thousand one hundred and twenty-eight has the following 3 prime factors:

2
222
Two in Base 22 Duovigesimal
19
j22
Nineteen in Base 22 Duovigesimal
139
6722
One Hundred and Thirty-Nine in Base 22 Duovigesimal

Prime Factorization

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

2223 · j221 · 67221 = 1le822

Base Conversions

The number twenty-one thousand one hundred and twenty-eight in 35 different bases