The Number

280428

Two Hundred and Eighty Thousand Four Hundred and Twenty-Eight

In Base 21 Unovigesimal Is

195if21

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

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

Nearby Numbers

Positive, nonzero integers within three units

280425
195ic21
Two Hundred and Eighty Thousand Four Hundred and Twenty-Five in Base 21 Unovigesimal
280426
195id21
Two Hundred and Eighty Thousand Four Hundred and Twenty-Six in Base 21 Unovigesimal
280427
195ie21
Two Hundred and Eighty Thousand Four Hundred and Twenty-Seven in Base 21 Unovigesimal
280429
195ig21
Two Hundred and Eighty Thousand Four Hundred and Twenty-Nine in Base 21 Unovigesimal
280430
195ih21
Two Hundred and Eighty Thousand Four Hundred and Thirty in Base 21 Unovigesimal
280431
195ii21
Two Hundred and Eighty Thousand Four Hundred and Thirty-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.

2.80428e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000ebhd9jje1g8ge21

The reciprocal of 280428 in Base 21 Unovigesimal.

Palindrome?

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

The number 195if21 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 eighty thousand four hundred and twenty-eight 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 eighty 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 two hundred and eighty thousand four hundred and twenty-eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
23369
2akh21
Twenty-Three Thousand Three Hundred and Sixty-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

2212 · 3211 · 2akh211 = 195if21

Base Conversions

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