The Number

40021

Forty Thousand and Twenty-One

In Base 15 Quindecimal Is

bcd115

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

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

Nearby Numbers

Positive, nonzero integers within three units

40018
bccd15
Forty Thousand and Eightteen in Base 15 Quindecimal
40019
bcce15
Forty Thousand and Nineteen in Base 15 Quindecimal
40020
bcd015
Forty Thousand and Twenty in Base 15 Quindecimal
40022
bcd215
Forty Thousand and Twenty-Two in Base 15 Quindecimal
40023
bcd315
Forty Thousand and Twenty-Three in Base 15 Quindecimal
40024
bcd415
Forty Thousand and Twenty-Four in Base 15 Quindecimal

Scientific Notation

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

4.0021e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00013e939a3022981615

The reciprocal of 40021 in Base 15 Quindecimal.

Palindrome?

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

The number bcd115 is not a palindrome.

Not A Prime Number

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

Forty thousand and twenty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Forty thousand and twenty-one is a composite number with 4 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 forty thousand and twenty-one has the following 2 prime factors:

31
2115
Thirty-One in Base 15 Quindecimal
1291
5b115
One Thousand Two Hundred and Ninety-One in Base 15 Quindecimal

Prime Factorization

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

21151 · 5b1151 = bcd115

Base Conversions

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