The Number

2645

Two Thousand Six Hundred and Forty-Five

In Base 31 Untrigesimal Is

2na31

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

2642
2n731
Two Thousand Six Hundred and Forty-Two in Base 31 Untrigesimal
2643
2n831
Two Thousand Six Hundred and Forty-Three in Base 31 Untrigesimal
2644
2n931
Two Thousand Six Hundred and Forty-Four in Base 31 Untrigesimal
2646
2nb31
Two Thousand Six Hundred and Forty-Six in Base 31 Untrigesimal
2647
2nc31
Two Thousand Six Hundred and Forty-Seven in Base 31 Untrigesimal
2648
2nd31
Two Thousand Six Hundred and Forty-Eight in Base 31 Untrigesimal

Scientific Notation

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

2.645e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00b84r4ed7sir31

The reciprocal of 2645 in Base 31 Untrigesimal.

Palindrome?

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

The number 2na31 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 six hundred and forty-five is a composite number with 6 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

Two thousand six hundred and forty-five is a composite number with 6 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 six hundred and forty-five has the following 2 prime factors:

5
531
Five in Base 31 Untrigesimal
23
n31
Twenty-Three in Base 31 Untrigesimal

Prime Factorization

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

5311 · n312 = 2na31

Base Conversions

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