The Number

69987

Sixty-Nine Thousand Nine Hundred and Eighty-Seven

In Base 13 Tridecimal Is

25b1813

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

For more familiar numbers: See Sixty-Nine Thousand Nine Hundred and Eighty-Seven in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

69984
25b1513
Sixty-Nine Thousand Nine Hundred and Eighty-Four in Base 13 Tridecimal
69985
25b1613
Sixty-Nine Thousand Nine Hundred and Eighty-Five in Base 13 Tridecimal
69986
25b1713
Sixty-Nine Thousand Nine Hundred and Eighty-Six in Base 13 Tridecimal
69988
25b1913
Sixty-Nine Thousand Nine Hundred and Eighty-Eight in Base 13 Tridecimal
69989
25b1a13
Sixty-Nine Thousand Nine Hundred and Eighty-Nine in Base 13 Tridecimal
69990
25b1b13
Sixty-Nine Thousand Nine Hundred and Ninety in Base 13 Tridecimal

Scientific Notation

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

6.9987e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000053c75cac264cb8513

The reciprocal of 69987 in Base 13 Tridecimal.

Palindrome?

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

The number 25b1813 is not a palindrome.

Not A Prime Number

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

Sixty-nine thousand nine hundred and eighty-seven is a composite number with 8 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Sixty-nine thousand nine hundred and eighty-seven 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 sixty-nine thousand nine hundred and eighty-seven has the following 3 prime factors:

3
313
Three in Base 13 Tridecimal
41
3213
Forty-One in Base 13 Tridecimal
569
34a13
Five 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

3131 · 32131 · 34a131 = 25b1813

Base Conversions

The number sixty-nine thousand nine hundred and eighty-seven in 35 different bases