The Number

21428

Twenty-One Thousand Four Hundred and Twenty-Eight

In Base 5 Quinary Is

11412035

The numbers with a 5 subscript use Base 5 Quinary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21425
11412005
Twenty-One Thousand Four Hundred and Twenty-Five in Base 5 Quinary
21426
11412015
Twenty-One Thousand Four Hundred and Twenty-Six in Base 5 Quinary
21427
11412025
Twenty-One Thousand Four Hundred and Twenty-Seven in Base 5 Quinary
21429
11412045
Twenty-One Thousand Four Hundred and Twenty-Nine in Base 5 Quinary
21430
11412105
Twenty-One Thousand Four Hundred and Thirty in Base 5 Quinary
21431
11412115
Twenty-One Thousand Four Hundred and Thirty-One in Base 5 Quinary

Scientific Notation

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

2.1428e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000000331033231303004130130445

The reciprocal of 21428 in Base 5 Quinary.

Palindrome?

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

The number 11412035 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 four hundred and twenty-eight is a composite number with 12 total factors (including 1 and itself).   See primes in Base 5 Quinary

A Composite

Composites have more than just these two factors.

Twenty-one thousand four hundred and twenty-eight 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 twenty-one thousand four hundred and twenty-eight has the following 3 prime factors:

2
25
Two in Base 5 Quinary
11
215
Eleven in Base 5 Quinary
487
34225
Four Hundred and Eighty-Seven in Base 5 Quinary

Prime Factorization

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

252 · 2151 · 342251 = 11412035

Base Conversions

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