The Number

42005

Forty-Two Thousand and Five

In Base 2 Binary Is

10100100000101012

The numbers with a 2 subscript use Base 2 Binary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

42002
10100100000100102
Forty-Two Thousand and Two in Base 2 Binary
42003
10100100000100112
Forty-Two Thousand and Three in Base 2 Binary
42004
10100100000101002
Forty-Two Thousand and Four in Base 2 Binary
42006
10100100000101102
Forty-Two Thousand and Six in Base 2 Binary
42007
10100100000101112
Forty-Two Thousand and Seven in Base 2 Binary
42008
10100100000110002
Forty-Two Thousand and Eight in Base 2 Binary

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.

0.000000000000000110001111011010001111010000011111001011011111010101112

The reciprocal of 42005 in Base 2 Binary.

Palindrome?

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

The number 10100100000101012 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 2 Binary

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
1012
Five in Base 2 Binary
31
111112
Thirty-One in Base 2 Binary
271
1000011112
Two Hundred and Seventy-One in Base 2 Binary

Prime Factorization

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

10121 · 1111121 · 10000111121 = 10100100000101012

Base Conversions

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