The Number

805245

Eight Hundred and Five Thousand Two Hundred and Forty-Five

In Base 21 Unovigesimal Is

42jk021

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

For more familiar numbers: See Eight Hundred and Five Thousand Two Hundred and Forty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

805242
42jji21
Eight Hundred and Five Thousand Two Hundred and Forty-Two in Base 21 Unovigesimal
805243
42jjj21
Eight Hundred and Five Thousand Two Hundred and Forty-Three in Base 21 Unovigesimal
805244
42jjk21
Eight Hundred and Five Thousand Two Hundred and Forty-Four in Base 21 Unovigesimal
805246
42jk121
Eight Hundred and Five Thousand Two Hundred and Forty-Six in Base 21 Unovigesimal
805247
42jk221
Eight Hundred and Five Thousand Two Hundred and Forty-Seven in Base 21 Unovigesimal
805248
42jk321
Eight Hundred and Five Thousand Two Hundred and Forty-Eight in Base 21 Unovigesimal

Scientific Notation

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

8.05245e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000051aed1g22i37g21

The reciprocal of 805245 in Base 21 Unovigesimal.

Palindrome?

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

The number 42jk021 is not a palindrome.

Not A Prime Number

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

Eight hundred and five thousand two hundred and forty-five 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.

Eight hundred and five thousand two hundred and forty-five 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 eight hundred and five thousand two hundred and forty-five has the following 4 prime factors:

3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
7669
h8421
Seven Thousand Six 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

3211 · 5211 · 7211 · h84211 = 42jk021

Base Conversions

The number eight hundred and five thousand two hundred and forty-five in 35 different bases