The Number

7645

Seven Thousand Six Hundred and Forty-Five

In Base 21 Unovigesimal Is

h7121

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

For more familiar numbers: See Seven Thousand Six Hundred and Forty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

7642
h6j21
Seven Thousand Six Hundred and Forty-Two in Base 21 Unovigesimal
7643
h6k21
Seven Thousand Six Hundred and Forty-Three in Base 21 Unovigesimal
7644
h7021
Seven Thousand Six Hundred and Forty-Four in Base 21 Unovigesimal
7646
h7221
Seven Thousand Six Hundred and Forty-Six in Base 21 Unovigesimal
7647
h7321
Seven Thousand Six Hundred and Forty-Seven in Base 21 Unovigesimal
7648
h7421
Seven Thousand Six Hundred and Forty-Eight in Base 21 Unovigesimal

Scientific Notation

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

7.645e3

Reciprocal

A number multiplied with its reciprocal is one.

0.001494c84b4kfi521

The reciprocal of 7645 in Base 21 Unovigesimal.

Palindrome?

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

The number h7121 is not a palindrome.

Not A Prime Number

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

Seven thousand six hundred and forty-five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Seven thousand six 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 seven thousand six hundred and forty-five has the following 3 prime factors:

5
521
Five in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
139
6d21
One Hundred and Thirty-Nine in Base 21 Unovigesimal

Prime Factorization

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

5211 · b211 · 6d211 = h7121

Base Conversions

The number seven thousand six hundred and forty-five in 35 different bases