The Number

161920

One Hundred and Sixty-One Thousand Nine Hundred and Twenty

In Base 5 Quinary Is

201401405

The numbers with a 5 subscript use Base 5 Quinary notation.

For more familiar numbers: See One Hundred and Sixty-One Thousand Nine Hundred and Twenty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

161917
201401325
One Hundred and Sixty-One Thousand Nine Hundred and Seventeen in Base 5 Quinary
161918
201401335
One Hundred and Sixty-One Thousand Nine Hundred and Eightteen in Base 5 Quinary
161919
201401345
One Hundred and Sixty-One Thousand Nine Hundred and Nineteen in Base 5 Quinary
161921
201401415
One Hundred and Sixty-One Thousand Nine Hundred and Twenty-One in Base 5 Quinary
161922
201401425
One Hundred and Sixty-One Thousand Nine Hundred and Twenty-Two in Base 5 Quinary
161923
201401435
One Hundred and Sixty-One Thousand Nine Hundred and Twenty-Three in Base 5 Quinary

Scientific Notation

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

1.61920e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000002201234304303124113142425

The reciprocal of 161920 in Base 5 Quinary.

Palindrome?

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

The number 201401405 is not a palindrome.

Not A Prime Number

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

One hundred and sixty-one thousand nine hundred and twenty is a composite number with 64 total factors (including 1 and itself).   See primes in Base 5 Quinary

A Composite

Composites have more than just these two factors.

One hundred and sixty-one thousand nine hundred and twenty is a composite number with 64 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 one hundred and sixty-one thousand nine hundred and twenty has the following 4 prime factors:

2
25
Two in Base 5 Quinary
5
105
Five in Base 5 Quinary
11
215
Eleven in Base 5 Quinary
23
435
Twenty-Three in Base 5 Quinary

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

257 · 1051 · 2151 · 4351 = 201401405

Base Conversions

The number one hundred and sixty-one thousand nine hundred and twenty in 35 different bases