The Number

42945

Forty-Two Thousand Nine Hundred and Forty-Five

In Base 12 Duodecimal Is

20a2912

The numbers with a 12 subscript use Base 12 Duodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

42942
20a2612
Forty-Two Thousand Nine Hundred and Forty-Two in Base 12 Duodecimal
42943
20a2712
Forty-Two Thousand Nine Hundred and Forty-Three in Base 12 Duodecimal
42944
20a2812
Forty-Two Thousand Nine Hundred and Forty-Four in Base 12 Duodecimal
42946
20a2a12
Forty-Two Thousand Nine Hundred and Forty-Six in Base 12 Duodecimal
42947
20a2b12
Forty-Two Thousand Nine Hundred and Forty-Seven in Base 12 Duodecimal
42948
20a3012
Forty-Two Thousand Nine Hundred and Forty-Eight in Base 12 Duodecimal

Scientific Notation

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

4.2945e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000596446a15b7140212

The reciprocal of 42945 in Base 12 Duodecimal.

Palindrome?

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

The number 20a2912 is not a palindrome.

Not A Prime Number

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

Forty-two thousand nine hundred and forty-five is a composite number with 16 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

Forty-two thousand nine hundred and forty-five is a composite number with 16 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 forty-two thousand nine hundred and forty-five has the following 4 prime factors:

3
312
Three in Base 12 Duodecimal
5
512
Five in Base 12 Duodecimal
7
712
Seven in Base 12 Duodecimal
409
2a112
Four Hundred and Nine in Base 12 Duodecimal

Prime Factorization

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

3121 · 5121 · 7121 · 2a1121 = 20a2912

Base Conversions

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