The Number

409998

Four Hundred and Nine Thousand Nine Hundred and Ninety-Eight

In Base 21 Unovigesimal Is

225ef21

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

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

Nearby Numbers

Positive, nonzero integers within three units

409995
225ec21
Four Hundred and Nine Thousand Nine Hundred and Ninety-Five in Base 21 Unovigesimal
409996
225ed21
Four Hundred and Nine Thousand Nine Hundred and Ninety-Six in Base 21 Unovigesimal
409997
225ee21
Four Hundred and Nine Thousand Nine Hundred and Ninety-Seven in Base 21 Unovigesimal
409999
225eg21
Four Hundred and Nine Thousand Nine Hundred and Ninety-Nine in Base 21 Unovigesimal
410000
225eh21
Four Hundred and Ten Thousand in Base 21 Unovigesimal
410001
225ei21
Four Hundred and Ten Thousand and 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.

4.09998e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00009k3j6hke8bf821

The reciprocal of 409998 in Base 21 Unovigesimal.

Palindrome?

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

The number 225ef21 is not a palindrome.

Not A Prime Number

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

Four hundred and nine thousand nine hundred and ninety-eight is a composite number with 16 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Four hundred and nine thousand nine hundred and ninety-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 four hundred and nine thousand nine hundred and ninety-eight has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
23
1221
Twenty-Three in Base 21 Unovigesimal
2971
6fa21
Two Thousand Nine Hundred and Seventy-One 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 · 3211 · 12211 · 6fa211 = 225ef21

Base Conversions

The number four hundred and nine thousand nine hundred and ninety-eight in 35 different bases