The Number

20690

Twenty Thousand Six Hundred and Ninety

In Base 9 Nonary Is

313389

The numbers with a 9 subscript use Base 9 Nonary notation.

For more familiar numbers: See Twenty Thousand Six Hundred and Ninety in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

20687
313359
Twenty Thousand Six Hundred and Eighty-Seven in Base 9 Nonary
20688
313369
Twenty Thousand Six Hundred and Eighty-Eight in Base 9 Nonary
20689
313379
Twenty Thousand Six Hundred and Eighty-Nine in Base 9 Nonary
20691
313409
Twenty Thousand Six Hundred and Ninety-One in Base 9 Nonary
20692
313419
Twenty Thousand Six Hundred and Ninety-Two in Base 9 Nonary
20693
313429
Twenty Thousand Six Hundred and Ninety-Three in Base 9 Nonary

Scientific Notation

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

2.0690e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00002761500837083067549

The reciprocal of 20690 in Base 9 Nonary.

Palindrome?

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

The number 313389 is not a palindrome.

Not A Prime Number

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

Twenty thousand six hundred and ninety is a composite number with 8 total factors (including 1 and itself).   See primes in Base 9 Nonary

A Composite

Composites have more than just these two factors.

Twenty thousand six hundred and ninety 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 thousand six hundred and ninety has the following 3 prime factors:

2
29
Two in Base 9 Nonary
5
59
Five in Base 9 Nonary
2069
27489
Two Thousand and Sixty-Nine in Base 9 Nonary

Prime Factorization

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

291 · 591 · 274891 = 313389

Base Conversions

The number twenty thousand six hundred and ninety in 35 different bases