The Number

20145

Twenty Thousand One Hundred and Forty-Five

In Base 15 Quindecimal Is

5e8015

The numbers with a 15 subscript use Base 15 Quindecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

20142
5e7c15
Twenty Thousand One Hundred and Forty-Two in Base 15 Quindecimal
20143
5e7d15
Twenty Thousand One Hundred and Forty-Three in Base 15 Quindecimal
20144
5e7e15
Twenty Thousand One Hundred and Forty-Four in Base 15 Quindecimal
20146
5e8115
Twenty Thousand One Hundred and Forty-Six in Base 15 Quindecimal
20147
5e8215
Twenty Thousand One Hundred and Forty-Seven in Base 15 Quindecimal
20148
5e8315
Twenty Thousand One Hundred and Forty-Eight in Base 15 Quindecimal

Scientific Notation

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

2.0145e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00027a6728573d70aa15

The reciprocal of 20145 in Base 15 Quindecimal.

Palindrome?

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

The number 5e8015 is not a palindrome.

Not A Prime Number

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

Twenty thousand one hundred and forty-five is a composite number with 16 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Twenty thousand one hundred and forty-five is a composite number with 16 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 twenty thousand one hundred and forty-five has the following 4 prime factors:

3
315
Three in Base 15 Quindecimal
5
515
Five in Base 15 Quindecimal
17
1215
Seventeen in Base 15 Quindecimal
79
5415
Seventy-Nine in Base 15 Quindecimal

Prime Factorization

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

3151 · 5151 · 12151 · 54151 = 5e8015

Base Conversions

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