The Number

161980

One Hundred and Sixty-One Thousand Nine Hundred and Eighty

In Base 5 Quinary Is

201404105

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 Eighty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

161977
201404025
One Hundred and Sixty-One Thousand Nine Hundred and Seventy-Seven in Base 5 Quinary
161978
201404035
One Hundred and Sixty-One Thousand Nine Hundred and Seventy-Eight in Base 5 Quinary
161979
201404045
One Hundred and Sixty-One Thousand Nine Hundred and Seventy-Nine in Base 5 Quinary
161981
201404115
One Hundred and Sixty-One Thousand Nine Hundred and Eighty-One in Base 5 Quinary
161982
201404125
One Hundred and Sixty-One Thousand Nine Hundred and Eighty-Two in Base 5 Quinary
161983
201404135
One Hundred and Sixty-One Thousand Nine Hundred and Eighty-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.

1.61980e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000000220121031412102443101335

The reciprocal of 161980 in Base 5 Quinary.

Palindrome?

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

The number 201404105 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 eighty is a composite number with 48 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 eighty is a composite number with 48 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 eighty has the following 5 prime factors:

2
25
Two in Base 5 Quinary
5
105
Five in Base 5 Quinary
7
125
Seven in Base 5 Quinary
13
235
Thirteen in Base 5 Quinary
89
3245
Eighty-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

252 · 1051 · 1251 · 2351 · 32451 = 201404105

Base Conversions

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