The Number

161990

One Hundred and Sixty-One Thousand Nine Hundred and Ninety

In Base 22 Duovigesimal Is

f4f422

The numbers with a 22 subscript use Base 22 Duovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

161987
f4f122
One Hundred and Sixty-One Thousand Nine Hundred and Eighty-Seven in Base 22 Duovigesimal
161988
f4f222
One Hundred and Sixty-One Thousand Nine Hundred and Eighty-Eight in Base 22 Duovigesimal
161989
f4f322
One Hundred and Sixty-One Thousand Nine Hundred and Eighty-Nine in Base 22 Duovigesimal
161991
f4f522
One Hundred and Sixty-One Thousand Nine Hundred and Ninety-One in Base 22 Duovigesimal
161992
f4f622
One Hundred and Sixty-One Thousand Nine Hundred and Ninety-Two in Base 22 Duovigesimal
161993
f4f722
One Hundred and Sixty-One Thousand Nine Hundred and Ninety-Three in Base 22 Duovigesimal

Scientific Notation

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

1.61990e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00019hk4j3f4g5ka22

The reciprocal of 161990 in Base 22 Duovigesimal.

Palindrome?

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

The number f4f422 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 is a composite number with 16 total factors (including 1 and itself).   See primes in Base 22 Duovigesimal

A Composite

Composites have more than just these two factors.

One hundred and sixty-one thousand nine hundred and ninety is a composite number with 16 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 has the following 4 prime factors:

2
222
Two in Base 22 Duovigesimal
5
522
Five in Base 22 Duovigesimal
97
4922
Ninety-Seven in Base 22 Duovigesimal
167
7d22
One Hundred and Sixty-Seven in Base 22 Duovigesimal

Prime Factorization

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

2221 · 5221 · 49221 · 7d221 = f4f422

Base Conversions

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