The Number

72145

Seventy-Two Thousand One Hundred and Forty-Five

Nearby Numbers

Positive, nonzero integers within three units

72142
Seventy-Two Thousand One Hundred and Forty-Two
72143
Seventy-Two Thousand One Hundred and Forty-Three
72144
Seventy-Two Thousand One Hundred and Forty-Four
72146
Seventy-Two Thousand One Hundred and Forty-Six
72147
Seventy-Two Thousand One Hundred and Forty-Seven
72148
Seventy-Two Thousand One Hundred and Forty-Eight

Scientific Notation

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

7.2145e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000013860974426502184

The reciprocal of 72145.

Palindrome?

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

The number 72145 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 forty-five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Seventy-two thousand one hundred and forty-five is a composite number with 8 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 forty-five has the following 3 prime factors:

5
Five
47
Forty-Seven
307
Three Hundred and Seven

Prime Factorization

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

51 · 471 · 3071 = 72145

Base Conversions

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