The Number

820145

Eight Hundred and Twenty Thousand One Hundred and Forty-Five

In Base 21 Unovigesimal Is

44bfb21

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

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

Nearby Numbers

Positive, nonzero integers within three units

820142
44bf821
Eight Hundred and Twenty Thousand One Hundred and Forty-Two in Base 21 Unovigesimal
820143
44bf921
Eight Hundred and Twenty Thousand One Hundred and Forty-Three in Base 21 Unovigesimal
820144
44bfa21
Eight Hundred and Twenty Thousand One Hundred and Forty-Four in Base 21 Unovigesimal
820146
44bfc21
Eight Hundred and Twenty Thousand One Hundred and Forty-Six in Base 21 Unovigesimal
820147
44bfd21
Eight Hundred and Twenty Thousand One Hundred and Forty-Seven in Base 21 Unovigesimal
820148
44bfe21
Eight Hundred and Twenty Thousand One 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.

8.20145e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00004kc15jk41905d21

The reciprocal of 820145 in Base 21 Unovigesimal.

Palindrome?

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

The number 44bfb21 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 twenty thousand one hundred and forty-five is a composite number with 8 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 twenty thousand one hundred and forty-five is a composite number with 8 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 twenty thousand one hundred and forty-five has the following 3 prime factors:

5
521
Five in Base 21 Unovigesimal
61
2j21
Sixty-One in Base 21 Unovigesimal
2689
62121
Two Thousand Six Hundred and Eighty-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

5211 · 2j211 · 621211 = 44bfb21

Base Conversions

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