The Number

1238

One Thousand Two Hundred and Thirty-Eight

Nearby Numbers

Positive, nonzero integers within three units

1235
One Thousand Two Hundred and Thirty-Five
1236
One Thousand Two Hundred and Thirty-Six
1237
One Thousand Two Hundred and Thirty-Seven
1239
One Thousand Two Hundred and Thirty-Nine
1240
One Thousand Two Hundred and Forty
1241
One Thousand Two Hundred and Forty-One

Scientific Notation

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

1.238e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0008077544426494346

The reciprocal of 1238.

Palindrome?

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

The number 1238 is not a palindrome.

Not A Prime Number

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

One thousand two hundred and thirty-eight is a composite number with 4 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

One thousand two hundred and thirty-eight is a composite number with 4 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 one thousand two hundred and thirty-eight has the following 2 prime factors:

2
Two
619
Six Hundred and Nineteen

Prime Factorization

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

21 · 6191 = 1238

Base Conversions

The number one thousand two hundred and thirty-eight in 35 different bases