The Number

42740

Forty-Two Thousand Seven Hundred and Forty

In Base 11 Undecimal Is

2a12511

The numbers with a 11 subscript use Base 11 Undecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

42737
2a12211
Forty-Two Thousand Seven Hundred and Thirty-Seven in Base 11 Undecimal
42738
2a12311
Forty-Two Thousand Seven Hundred and Thirty-Eight in Base 11 Undecimal
42739
2a12411
Forty-Two Thousand Seven Hundred and Thirty-Nine in Base 11 Undecimal
42741
2a12611
Forty-Two Thousand Seven Hundred and Forty-One in Base 11 Undecimal
42742
2a12711
Forty-Two Thousand Seven Hundred and Forty-Two in Base 11 Undecimal
42743
2a12811
Forty-Two Thousand Seven Hundred and Forty-Three in Base 11 Undecimal

Scientific Notation

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

4.2740e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000384a46380650418911

The reciprocal of 42740 in Base 11 Undecimal.

Palindrome?

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

The number 2a12511 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 seven hundred and forty is a composite number with 12 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

Forty-two thousand seven hundred and forty 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 seven hundred and forty has the following 3 prime factors:

2
211
Two in Base 11 Undecimal
5
511
Five in Base 11 Undecimal
2137
167311
Two Thousand One Hundred and Thirty-Seven in Base 11 Undecimal

Prime Factorization

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

2112 · 5111 · 1673111 = 2a12511

Base Conversions

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