The Number

161991

One Hundred and Sixty-One Thousand Nine Hundred and Ninety-One

In Base 5 Quinary Is

201404315

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 Ninety-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

161988
201404235
One Hundred and Sixty-One Thousand Nine Hundred and Eighty-Eight in Base 5 Quinary
161989
201404245
One Hundred and Sixty-One Thousand Nine Hundred and Eighty-Nine in Base 5 Quinary
161990
201404305
One Hundred and Sixty-One Thousand Nine Hundred and Ninety in Base 5 Quinary
161992
201404325
One Hundred and Sixty-One Thousand Nine Hundred and Ninety-Two in Base 5 Quinary
161993
201404335
One Hundred and Sixty-One Thousand Nine Hundred and Ninety-Three in Base 5 Quinary
161994
201404345
One Hundred and Sixty-One Thousand Nine Hundred and Ninety-Four in Base 5 Quinary

Scientific Notation

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

1.61991e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000000220120302421113114240425

The reciprocal of 161991 in Base 5 Quinary.

Palindrome?

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

The number 201404315 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 ninety-one is a composite number with 12 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 ninety-one is a composite number with 12 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 ninety-one has the following 3 prime factors:

3
35
Three in Base 5 Quinary
41
1315
Forty-One in Base 5 Quinary
439
32245
Four Hundred and Thirty-Nine in Base 5 Quinary

Prime Factorization

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

352 · 13151 · 322451 = 201404315

Base Conversions

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