The Number

42990

Forty-Two Thousand Nine Hundred and Ninety

In Base 15 Quindecimal Is

cb1015

The numbers with a 15 subscript use Base 15 Quindecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

42987
cb0c15
Forty-Two Thousand Nine Hundred and Eighty-Seven in Base 15 Quindecimal
42988
cb0d15
Forty-Two Thousand Nine Hundred and Eighty-Eight in Base 15 Quindecimal
42989
cb0e15
Forty-Two Thousand Nine Hundred and Eighty-Nine in Base 15 Quindecimal
42991
cb1115
Forty-Two Thousand Nine Hundred and Ninety-One in Base 15 Quindecimal
42992
cb1215
Forty-Two Thousand Nine Hundred and Ninety-Two in Base 15 Quindecimal
42993
cb1315
Forty-Two Thousand Nine Hundred and Ninety-Three in Base 15 Quindecimal

Scientific Notation

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

4.2990e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000129e5e89933b4515

The reciprocal of 42990 in Base 15 Quindecimal.

Palindrome?

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

The number cb1015 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 ninety is a composite number with 16 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Forty-two thousand nine hundred and ninety 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 ninety has the following 4 prime factors:

2
215
Two in Base 15 Quindecimal
3
315
Three in Base 15 Quindecimal
5
515
Five in Base 15 Quindecimal
1433
65815
One Thousand Four Hundred and Thirty-Three in Base 15 Quindecimal

Prime Factorization

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

2151 · 3151 · 5151 · 658151 = cb1015

Base Conversions

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