The Number

161980

One Hundred and Sixty-One Thousand Nine Hundred and Eighty

In Base 31 Untrigesimal Is

5dh531

The numbers with a 31 subscript use Base 31 Untrigesimal 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
5dh231
One Hundred and Sixty-One Thousand Nine Hundred and Seventy-Seven in Base 31 Untrigesimal
161978
5dh331
One Hundred and Sixty-One Thousand Nine Hundred and Seventy-Eight in Base 31 Untrigesimal
161979
5dh431
One Hundred and Sixty-One Thousand Nine Hundred and Seventy-Nine in Base 31 Untrigesimal
161981
5dh631
One Hundred and Sixty-One Thousand Nine Hundred and Eighty-One in Base 31 Untrigesimal
161982
5dh731
One Hundred and Sixty-One Thousand Nine Hundred and Eighty-Two in Base 31 Untrigesimal
161983
5dh831
One Hundred and Sixty-One Thousand Nine Hundred and Eighty-Three in Base 31 Untrigesimal

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.

0.0005ln2sgnq1pe31

The reciprocal of 161980 in Base 31 Untrigesimal.

Palindrome?

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

The number 5dh531 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 31 Untrigesimal

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
231
Two in Base 31 Untrigesimal
5
531
Five in Base 31 Untrigesimal
7
731
Seven in Base 31 Untrigesimal
13
d31
Thirteen in Base 31 Untrigesimal
89
2r31
Eighty-Nine in Base 31 Untrigesimal

Prime Factorization

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

2312 · 5311 · 7311 · d311 · 2r311 = 5dh531

Base Conversions

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