The Number

261221

Two Hundred and Sixty-One Thousand Two Hundred and Twenty-One

In Base 13 Tridecimal Is

91b8c13

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

261218
91b8913
Two Hundred and Sixty-One Thousand Two Hundred and Eightteen in Base 13 Tridecimal
261219
91b8a13
Two Hundred and Sixty-One Thousand Two Hundred and Nineteen in Base 13 Tridecimal
261220
91b8b13
Two Hundred and Sixty-One Thousand Two Hundred and Twenty in Base 13 Tridecimal
261222
91b9013
Two Hundred and Sixty-One Thousand Two Hundred and Twenty-Two in Base 13 Tridecimal
261223
91b9113
Two Hundred and Sixty-One Thousand Two Hundred and Twenty-Three in Base 13 Tridecimal
261224
91b9213
Two Hundred and Sixty-One Thousand Two Hundred and Twenty-Four in Base 13 Tridecimal

Scientific Notation

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

2.61221e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000015629b7880c783313

The reciprocal of 261221 in Base 13 Tridecimal.

Palindrome?

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

The number 91b8c13 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 thousand two hundred and twenty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

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

97
7613
Ninety-Seven in Base 13 Tridecimal
2693
12c213
Two Thousand Six Hundred and Ninety-Three in Base 13 Tridecimal

Prime Factorization

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

76131 · 12c2131 = 91b8c13

Base Conversions

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