The Number

1645

One Thousand Six Hundred and Forty-Five

In Base 27 Heptavigesimal Is

26p27

The numbers with a 27 subscript use Base 27 Heptavigesimal notation.

For more familiar numbers: See One Thousand Six Hundred and Forty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

1642
26m27
One Thousand Six Hundred and Forty-Two in Base 27 Heptavigesimal
1643
26n27
One Thousand Six Hundred and Forty-Three in Base 27 Heptavigesimal
1644
26o27
One Thousand Six Hundred and Forty-Four in Base 27 Heptavigesimal
1646
26q27
One Thousand Six Hundred and Forty-Six in Base 27 Heptavigesimal
1647
27027
One Thousand Six Hundred and Forty-Seven in Base 27 Heptavigesimal
1648
27127
One Thousand Six Hundred and Forty-Eight in Base 27 Heptavigesimal

Scientific Notation

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

1.645e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00bq1jq8mb9i127

The reciprocal of 1645 in Base 27 Heptavigesimal.

Palindrome?

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

The number 26p27 is not a palindrome.

Not A Prime Number

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

One thousand six hundred and forty-five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 27 Heptavigesimal

A Composite

Composites have more than just these two factors.

One thousand six hundred and forty-five 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 one thousand six hundred and forty-five has the following 3 prime factors:

5
527
Five in Base 27 Heptavigesimal
7
727
Seven in Base 27 Heptavigesimal
47
1k27
Forty-Seven in Base 27 Heptavigesimal

Prime Factorization

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

5271 · 7271 · 1k271 = 26p27

Base Conversions

The number one thousand six hundred and forty-five in 35 different bases