The Number

21200

Twenty-One Thousand Two Hundred

In Base 8 Octal Is

513208

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

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

Nearby Numbers

Positive, nonzero integers within three units

21197
513158
Twenty-One Thousand One Hundred and Ninety-Seven in Base 8 Octal
21198
513168
Twenty-One Thousand One Hundred and Ninety-Eight in Base 8 Octal
21199
513178
Twenty-One Thousand One Hundred and Ninety-Nine in Base 8 Octal
21201
513218
Twenty-One Thousand Two Hundred and One in Base 8 Octal
21202
513228
Twenty-One Thousand Two Hundred and Two in Base 8 Octal
21203
513238
Twenty-One Thousand Two Hundred and Three in Base 8 Octal

Scientific Notation

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

2.1200e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00001427301460067511478

The reciprocal of 21200 in Base 8 Octal.

Palindrome?

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

The number 513208 is not 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 is a composite number with 30 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 is a composite number with 30 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 has the following 3 prime factors:

2
28
Two in Base 8 Octal
5
58
Five in Base 8 Octal
53
658
Fifty-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

284 · 582 · 6581 = 513208

Base Conversions

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