The Number

345

Three Hundred and Forty-Five

In Base 21 Unovigesimal Is

g921

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

For more familiar numbers: See Three Hundred and Forty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

342
g621
Three Hundred and Forty-Two in Base 21 Unovigesimal
343
g721
Three Hundred and Forty-Three in Base 21 Unovigesimal
344
g821
Three Hundred and Forty-Four in Base 21 Unovigesimal
346
ga21
Three Hundred and Forty-Six in Base 21 Unovigesimal
347
gb21
Three Hundred and Forty-Seven in Base 21 Unovigesimal
348
gc21
Three Hundred and Forty-Eight in Base 21 Unovigesimal

Scientific Notation

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

3.45e2

Reciprocal

A number multiplied with its reciprocal is one.

0.015hek9a8c4jb621

The reciprocal of 345 in Base 21 Unovigesimal.

Palindrome?

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

The number g921 is not a palindrome.

Not A Prime Number

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

Three hundred and forty-five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Three 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 three hundred and forty-five has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
23
1221
Twenty-Three in Base 21 Unovigesimal

Prime Factorization

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

3211 · 5211 · 12211 = g921

Base Conversions

The number three hundred and forty-five in 35 different bases