The Number

42345

Forty-Two Thousand Three Hundred and Forty-Five

In Base 21 Unovigesimal Is

4c0921

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

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

Nearby Numbers

Positive, nonzero integers within three units

42342
4c0621
Forty-Two Thousand Three Hundred and Forty-Two in Base 21 Unovigesimal
42343
4c0721
Forty-Two Thousand Three Hundred and Forty-Three in Base 21 Unovigesimal
42344
4c0821
Forty-Two Thousand Three Hundred and Forty-Four in Base 21 Unovigesimal
42346
4c0a21
Forty-Two Thousand Three Hundred and Forty-Six in Base 21 Unovigesimal
42347
4c0b21
Forty-Two Thousand Three Hundred and Forty-Seven in Base 21 Unovigesimal
42348
4c0c21
Forty-Two Thousand 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.

4.2345e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004c98e493ak0621

The reciprocal of 42345 in Base 21 Unovigesimal.

Palindrome?

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

The number 4c0921 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 three hundred and forty-five is a composite number with 12 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Forty-two thousand three hundred and forty-five is a composite number with 12 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 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
941
22h21
Nine Hundred and Forty-One in Base 21 Unovigesimal

Prime Factorization

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

3212 · 5211 · 22h211 = 4c0921

Base Conversions

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