The Number

405345

Four Hundred and Five Thousand Three Hundred and Forty-Five

In Base 21 Unovigesimal Is

21g3321

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

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

Nearby Numbers

Positive, nonzero integers within three units

405342
21g3021
Four Hundred and Five Thousand Three Hundred and Forty-Two in Base 21 Unovigesimal
405343
21g3121
Four Hundred and Five Thousand Three Hundred and Forty-Three in Base 21 Unovigesimal
405344
21g3221
Four Hundred and Five Thousand Three Hundred and Forty-Four in Base 21 Unovigesimal
405346
21g3421
Four Hundred and Five Thousand Three Hundred and Forty-Six in Base 21 Unovigesimal
405347
21g3521
Four Hundred and Five Thousand Three Hundred and Forty-Seven in Base 21 Unovigesimal
405348
21g3621
Four Hundred and Five Thousand Three 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.

4.05345e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000a1c761fag5g9a21

The reciprocal of 405345 in Base 21 Unovigesimal.

Palindrome?

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

The number 21g3321 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 five thousand three 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.

Four hundred and five thousand three 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 four hundred and five thousand three hundred and forty-five has the following 4 prime factors:

3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
61
2j21
Sixty-One in Base 21 Unovigesimal
443
10221
Four Hundred and Forty-Three 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 · 2j211 · 102211 = 21g3321

Base Conversions

The number four hundred and five thousand three hundred and forty-five in 35 different bases