The Number

261

Two Hundred and Sixty-One

In Base 20 Vigesimal Is

d120

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

258
ci20
Two Hundred and Fifty-Eight in Base 20 Vigesimal
259
cj20
Two Hundred and Fifty-Nine in Base 20 Vigesimal
260
d020
Two Hundred and Sixty in Base 20 Vigesimal
262
d220
Two Hundred and Sixty-Two in Base 20 Vigesimal
263
d320
Two Hundred and Sixty-Three in Base 20 Vigesimal
264
d420
Two Hundred and Sixty-Four in Base 20 Vigesimal

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.

0.01ad0aeb3f1i6520

The reciprocal of 261 in Base 20 Vigesimal.

Palindrome?

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

The number d120 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 20 Vigesimal

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
320
Three in Base 20 Vigesimal
29
1920
Twenty-Nine in Base 20 Vigesimal

Prime Factorization

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

3202 · 19201 = d120

Base Conversions

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