The Number

2661

Two Thousand Six Hundred and Sixty-One

Nearby Numbers

Positive, nonzero integers within three units

2658
Two Thousand Six Hundred and Fifty-Eight
2659
Two Thousand Six Hundred and Fifty-Nine
2660
Two Thousand Six Hundred and Sixty
2662
Two Thousand Six Hundred and Sixty-Two
2663
Two Thousand Six Hundred and Sixty-Three
2664
Two Thousand Six Hundred and Sixty-Four

Scientific Notation

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

2.661e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0003757985719654265

The reciprocal of 2661.

Palindrome?

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

The number 2661 is not a palindrome.

Not A Prime Number

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

Two thousand six hundred and sixty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Two thousand six hundred and sixty-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 two thousand six hundred and sixty-one has the following 2 prime factors:

3
Three
887
Eight Hundred and Eighty-Seven

Prime Factorization

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

31 · 8871 = 2661

Base Conversions

The number two thousand six hundred and sixty-one in 35 different bases