The Number

16405

Sixteen Thousand Four Hundred and Five

In Base 21 Unovigesimal Is

1g4421

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

For more familiar numbers: See Sixteen Thousand Four Hundred and Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

16402
1g4121
Sixteen Thousand Four Hundred and Two in Base 21 Unovigesimal
16403
1g4221
Sixteen Thousand Four Hundred and Three in Base 21 Unovigesimal
16404
1g4321
Sixteen Thousand Four Hundred and Four in Base 21 Unovigesimal
16406
1g4521
Sixteen Thousand Four Hundred and Six in Base 21 Unovigesimal
16407
1g4621
Sixteen Thousand Four Hundred and Seven in Base 21 Unovigesimal
16408
1g4721
Sixteen Thousand Four Hundred and 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.

1.6405e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000bhk0kkifc3gk921

The reciprocal of 16405 in Base 21 Unovigesimal.

Palindrome?

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

The number 1g4421 is not a palindrome.

Not A Prime Number

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

Sixteen thousand four hundred and 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.

Sixteen thousand four hundred and 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 sixteen thousand four hundred and five has the following 3 prime factors:

5
521
Five in Base 21 Unovigesimal
17
h21
Seventeen in Base 21 Unovigesimal
193
9421
One Hundred and Ninety-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

5211 · h211 · 94211 = 1g4421

Base Conversions

The number sixteen thousand four hundred and five in 35 different bases