The Number

42005

Forty-Two Thousand and Five

In Base 16 Hexadecimal Is

a41516

The numbers with a 16 subscript use Base 16 Hexadecimal notation.

For more familiar numbers: See Forty-Two Thousand and Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

42002
a41216
Forty-Two Thousand and Two in Base 16 Hexadecimal
42003
a41316
Forty-Two Thousand and Three in Base 16 Hexadecimal
42004
a41416
Forty-Two Thousand and Four in Base 16 Hexadecimal
42006
a41616
Forty-Two Thousand and Six in Base 16 Hexadecimal
42007
a41716
Forty-Two Thousand and Seven in Base 16 Hexadecimal
42008
a41816
Forty-Two Thousand and Eight in Base 16 Hexadecimal

Scientific Notation

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

4.2005e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00018f68f41f2df5716

The reciprocal of 42005 in Base 16 Hexadecimal.

Palindrome?

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

The number a41516 is not a palindrome.

Not A Prime Number

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

Forty-two thousand and five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 16 Hexadecimal

A Composite

Composites have more than just these two factors.

Forty-two thousand and 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 forty-two thousand and five has the following 3 prime factors:

5
516
Five in Base 16 Hexadecimal
31
1f16
Thirty-One in Base 16 Hexadecimal
271
10f16
Two Hundred and Seventy-One in Base 16 Hexadecimal

Prime Factorization

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

5161 · 1f161 · 10f161 = a41516

Base Conversions

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