The Number

2189

Two Thousand One Hundred and Eighty-Nine

In Base 8 Octal Is

42158

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

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

Nearby Numbers

Positive, nonzero integers within three units

2186
42128
Two Thousand One Hundred and Eighty-Six in Base 8 Octal
2187
42138
Two Thousand One Hundred and Eighty-Seven in Base 8 Octal
2188
42148
Two Thousand One Hundred and Eighty-Eight in Base 8 Octal
2190
42168
Two Thousand One Hundred and Ninety in Base 8 Octal
2191
42178
Two Thousand One Hundred and Ninety-One in Base 8 Octal
2192
42208
Two Thousand One Hundred and Ninety-Two in Base 8 Octal

Scientific Notation

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

2.189e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0001676025031754644058

The reciprocal of 2189 in Base 8 Octal.

Palindrome?

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

The number 42158 is not a palindrome.

Not A Prime Number

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

Two thousand one hundred and eighty-nine is a composite number with 4 total factors (including 1 and itself).   See primes in Base 8 Octal

A Composite

Composites have more than just these two factors.

Two thousand one hundred and eighty-nine 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 two thousand one hundred and eighty-nine has the following 2 prime factors:

11
138
Eleven in Base 8 Octal
199
3078
One Hundred and Ninety-Nine in Base 8 Octal

Prime Factorization

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

1381 · 30781 = 42158

Base Conversions

The number two thousand one hundred and eighty-nine in 35 different bases