The Number

161820

One Hundred and Sixty-One Thousand Eight Hundred and Twenty

In Base 22 Duovigesimal Is

f47a22

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

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

Nearby Numbers

Positive, nonzero integers within three units

161817
f47722
One Hundred and Sixty-One Thousand Eight Hundred and Seventeen in Base 22 Duovigesimal
161818
f47822
One Hundred and Sixty-One Thousand Eight Hundred and Eightteen in Base 22 Duovigesimal
161819
f47922
One Hundred and Sixty-One Thousand Eight Hundred and Nineteen in Base 22 Duovigesimal
161821
f47b22
One Hundred and Sixty-One Thousand Eight Hundred and Twenty-One in Base 22 Duovigesimal
161822
f47c22
One Hundred and Sixty-One Thousand Eight Hundred and Twenty-Two in Base 22 Duovigesimal
161823
f47d22
One Hundred and Sixty-One Thousand Eight Hundred and Twenty-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.

1.61820e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00019ie8ge33a3i622

The reciprocal of 161820 in Base 22 Duovigesimal.

Palindrome?

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

The number f47a22 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 eight hundred and twenty is a composite number with 72 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 eight hundred and twenty is a composite number with 72 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 eight hundred and twenty has the following 5 prime factors:

2
222
Two in Base 22 Duovigesimal
3
322
Three in Base 22 Duovigesimal
5
522
Five in Base 22 Duovigesimal
29
1722
Twenty-Nine in Base 22 Duovigesimal
31
1922
Thirty-One in Base 22 Duovigesimal

Prime Factorization

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

2222 · 3222 · 5221 · 17221 · 19221 = f47a22

Base Conversions

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