The Number

1491

One Thousand Four Hundred and Ninety-One

In Base 2 Binary Is

101110100112

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

For more familiar numbers: See One Thousand Four Hundred and Ninety-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

1488
101110100002
One Thousand Four Hundred and Eighty-Eight in Base 2 Binary
1489
101110100012
One Thousand Four Hundred and Eighty-Nine in Base 2 Binary
1490
101110100102
One Thousand Four Hundred and Ninety in Base 2 Binary
1492
101110101002
One Thousand Four Hundred and Ninety-Two in Base 2 Binary
1493
101110101012
One Thousand Four Hundred and Ninety-Three in Base 2 Binary
1494
101110101102
One Thousand Four Hundred and Ninety-Four in Base 2 Binary

Scientific Notation

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

1.491e3

Reciprocal

A number multiplied with its reciprocal is one.

0.000000000010101111110100010100110001100111101101000111010000012

The reciprocal of 1491 in Base 2 Binary.

Palindrome?

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

The number 101110100112 is not a palindrome.

Not A Prime Number

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

One thousand four hundred and ninety-one 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.

One thousand four hundred and ninety-one 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 one thousand four hundred and ninety-one has the following 3 prime factors:

3
112
Three in Base 2 Binary
7
1112
Seven in Base 2 Binary
71
10001112
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

1121 · 11121 · 100011121 = 101110100112

Base Conversions

The number one thousand four hundred and ninety-one in 35 different bases