The Number

72161

Seventy-Two Thousand One Hundred and Sixty-One

In Base 19 Nonadecimal Is

a9gi19

The numbers with a 19 subscript use Base 19 Nonadecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

72158
a9gf19
Seventy-Two Thousand One Hundred and Fifty-Eight in Base 19 Nonadecimal
72159
a9gg19
Seventy-Two Thousand One Hundred and Fifty-Nine in Base 19 Nonadecimal
72160
a9gh19
Seventy-Two Thousand One Hundred and Sixty in Base 19 Nonadecimal
72162
a9h019
Seventy-Two Thousand One Hundred and Sixty-Two in Base 19 Nonadecimal
72163
a9h119
Seventy-Two Thousand One Hundred and Sixty-Three in Base 19 Nonadecimal
72164
a9h219
Seventy-Two Thousand One Hundred and Sixty-Four in Base 19 Nonadecimal

Scientific Notation

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

7.2161e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001f5i3a3dg7c44a19

The reciprocal of 72161 in Base 19 Nonadecimal.

Palindrome?

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

The number a9gi19 is not a palindrome.

A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Seventy-two thousand one hundred and sixty-one is the 7142nd prime number.   See primes in Base 19 Nonadecimal

Not A Composite

Composites have more than just these two factors.

Seventy-Two Thousand One Hundred and Sixty-One is not a composite number because it has exactly two factors: One and Seventy-Two Thousand One Hundred and Sixty-One

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number seventy-two thousand one hundred and sixty-one has the following 1 prime factor:

72161
a9gi19
Seventy-Two Thousand One Hundred and Sixty-One in Base 19 Nonadecimal

Prime Factorization

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

a9gi191 = a9gi19

Base Conversions

The number seventy-two thousand one hundred and sixty-one in 35 different bases