The Number

161820

One Hundred and Sixty-One Thousand Eight Hundred and Twenty

In Base 12 Duodecimal Is

7979012

The numbers with a 12 subscript use Base 12 Duodecimal 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
7978912
One Hundred and Sixty-One Thousand Eight Hundred and Seventeen in Base 12 Duodecimal
161818
7978a12
One Hundred and Sixty-One Thousand Eight Hundred and Eightteen in Base 12 Duodecimal
161819
7978b12
One Hundred and Sixty-One Thousand Eight Hundred and Nineteen in Base 12 Duodecimal
161821
7979112
One Hundred and Sixty-One Thousand Eight Hundred and Twenty-One in Base 12 Duodecimal
161822
7979212
One Hundred and Sixty-One Thousand Eight Hundred and Twenty-Two in Base 12 Duodecimal
161823
7979312
One Hundred and Sixty-One Thousand Eight Hundred and Twenty-Three in Base 12 Duodecimal

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.

0.000016551b12091b42b812

The reciprocal of 161820 in Base 12 Duodecimal.

Palindrome?

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

The number 7979012 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 12 Duodecimal

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
212
Two in Base 12 Duodecimal
3
312
Three in Base 12 Duodecimal
5
512
Five in Base 12 Duodecimal
29
2512
Twenty-Nine in Base 12 Duodecimal
31
2712
Thirty-One in Base 12 Duodecimal

Prime Factorization

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

2122 · 3122 · 5121 · 25121 · 27121 = 7979012

Base Conversions

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