The Number

261

Two Hundred and Sixty-One

In Base 15 Quindecimal Is

12615

The numbers with a 15 subscript use Base 15 Quindecimal notation.

For more familiar numbers: See Two Hundred and Sixty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

258
12315
Two Hundred and Fifty-Eight in Base 15 Quindecimal
259
12415
Two Hundred and Fifty-Nine in Base 15 Quindecimal
260
12515
Two Hundred and Sixty in Base 15 Quindecimal
262
12715
Two Hundred and Sixty-Two in Base 15 Quindecimal
263
12815
Two Hundred and Sixty-Three in Base 15 Quindecimal
264
12915
Two Hundred and Sixty-Four in Base 15 Quindecimal

Scientific Notation

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

2.61e2

Reciprocal

A number multiplied with its reciprocal is one.

0.00cde73949c631815

The reciprocal of 261 in Base 15 Quindecimal.

Palindrome?

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

The number 12615 is not a palindrome.

Not A Prime Number

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

Two hundred and sixty-one is a composite number with 6 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Two hundred and sixty-one is a composite number with 6 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 hundred and sixty-one has the following 2 prime factors:

3
315
Three in Base 15 Quindecimal
29
1e15
Twenty-Nine in Base 15 Quindecimal

Prime Factorization

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

3152 · 1e151 = 12615

Base Conversions

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