The Number

420

Four Hundred and Twenty

In Base 2 Binary Is

1101001002

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

For more familiar numbers: See Four Hundred and Twenty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

417
1101000012
Four Hundred and Seventeen in Base 2 Binary
418
1101000102
Four Hundred and Eightteen in Base 2 Binary
419
1101000112
Four Hundred and Nineteen in Base 2 Binary
421
1101001012
Four Hundred and Twenty-One in Base 2 Binary
422
1101001102
Four Hundred and Twenty-Two in Base 2 Binary
423
1101001112
Four Hundred and Twenty-Three in Base 2 Binary

Scientific Notation

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

4.20e2

Reciprocal

A number multiplied with its reciprocal is one.

0.000000001001110000001001110000001001110000001001110000001012

The reciprocal of 420 in Base 2 Binary.

Palindrome?

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

The number 1101001002 is not a palindrome.

Not A Prime Number

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

Four hundred and twenty is a composite number with 24 total factors (including 1 and itself).   See primes in Base 2 Binary

A Composite

Composites have more than just these two factors.

Four hundred and twenty is a composite number with 24 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 four hundred and twenty has the following 4 prime factors:

2
102
Two in Base 2 Binary
3
112
Three in Base 2 Binary
5
1012
Five in Base 2 Binary
7
1112
Seven in Base 2 Binary

Prime Factorization

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

1022 · 1121 · 10121 · 11121 = 1101001002

Base Conversions

The number four hundred and twenty in 35 different bases