The Number

21251

Twenty-One Thousand Two Hundred and Fifty-One

In Base 13 Tridecimal Is

989913

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

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

Nearby Numbers

Positive, nonzero integers within three units

21248
989613
Twenty-One Thousand Two Hundred and Forty-Eight in Base 13 Tridecimal
21249
989713
Twenty-One Thousand Two Hundred and Forty-Nine in Base 13 Tridecimal
21250
989813
Twenty-One Thousand Two Hundred and Fifty in Base 13 Tridecimal
21252
989a13
Twenty-One Thousand Two Hundred and Fifty-Two in Base 13 Tridecimal
21253
989b13
Twenty-One Thousand Two Hundred and Fifty-Three in Base 13 Tridecimal
21254
989c13
Twenty-One Thousand Two Hundred and Fifty-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.

2.1251e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000146196a21534a313

The reciprocal of 21251 in Base 13 Tridecimal.

Palindrome?

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

The number 989913 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 and fifty-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.

Twenty-one thousand two hundred and fifty-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 twenty-one thousand two hundred and fifty-one has the following 2 prime factors:

79
6113
Seventy-Nine in Base 13 Tridecimal
269
17913
Two Hundred and Sixty-Nine in Base 13 Tridecimal

Prime Factorization

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

61131 · 179131 = 989913

Base Conversions

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