The Number

21261

Twenty-One Thousand Two Hundred and Sixty-One

In Base 8 Octal Is

514158

The numbers with a 8 subscript use Base 8 Octal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21258
514128
Twenty-One Thousand Two Hundred and Fifty-Eight in Base 8 Octal
21259
514138
Twenty-One Thousand Two Hundred and Fifty-Nine in Base 8 Octal
21260
514148
Twenty-One Thousand Two Hundred and Sixty in Base 8 Octal
21262
514168
Twenty-One Thousand Two Hundred and Sixty-Two in Base 8 Octal
21263
514178
Twenty-One Thousand Two Hundred and Sixty-Three in Base 8 Octal
21264
514208
Twenty-One Thousand Two Hundred and Sixty-Four in Base 8 Octal

Scientific Notation

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

2.1261e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00001425067046210037328

The reciprocal of 21261 in Base 8 Octal.

Palindrome?

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

The number 514158 is a palindrome.

Not A Prime Number

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

Twenty-one thousand two hundred and sixty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 8 Octal

A Composite

Composites have more than just these two factors.

Twenty-one thousand two hundred and sixty-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 twenty-one thousand two hundred and sixty-one has the following 3 prime factors:

3
38
Three in Base 8 Octal
19
238
Nineteen in Base 8 Octal
373
5658
Three Hundred and Seventy-Three in Base 8 Octal

Prime Factorization

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

381 · 2381 · 56581 = 514158

Base Conversions

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