The Number

72128

Seventy-Two Thousand One Hundred and Twenty-Eight

In Base 19 Nonadecimal Is

a9f419

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

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

Nearby Numbers

Positive, nonzero integers within three units

72125
a9f119
Seventy-Two Thousand One Hundred and Twenty-Five in Base 19 Nonadecimal
72126
a9f219
Seventy-Two Thousand One Hundred and Twenty-Six in Base 19 Nonadecimal
72127
a9f319
Seventy-Two Thousand One Hundred and Twenty-Seven in Base 19 Nonadecimal
72129
a9f519
Seventy-Two Thousand One Hundred and Twenty-Nine in Base 19 Nonadecimal
72130
a9f619
Seventy-Two Thousand One Hundred and Thirty in Base 19 Nonadecimal
72131
a9f719
Seventy-Two Thousand One Hundred and Thirty-One in Base 19 Nonadecimal

Scientific Notation

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

7.2128e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001f64g4262c39e619

The reciprocal of 72128 in Base 19 Nonadecimal.

Palindrome?

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

The number a9f419 is not a palindrome.

Not A Prime Number

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

Seventy-two thousand one hundred and twenty-eight is a composite number with 42 total factors (including 1 and itself).   See primes in Base 19 Nonadecimal

A Composite

Composites have more than just these two factors.

Seventy-two thousand one hundred and twenty-eight is a composite number with 42 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 seventy-two thousand one hundred and twenty-eight has the following 3 prime factors:

2
219
Two in Base 19 Nonadecimal
7
719
Seven in Base 19 Nonadecimal
23
1419
Twenty-Three in Base 19 Nonadecimal

Prime Factorization

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

2196 · 7192 · 14191 = a9f419

Base Conversions

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