The Number

1251

One Thousand Two Hundred and Fifty-One

Nearby Numbers

Positive, nonzero integers within three units

1248
One Thousand Two Hundred and Forty-Eight
1249
One Thousand Two Hundred and Forty-Nine
1250
One Thousand Two Hundred and Fifty
1252
One Thousand Two Hundred and Fifty-Two
1253
One Thousand Two Hundred and Fifty-Three
1254
One Thousand Two Hundred and Fifty-Four

Scientific Notation

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

1.251e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0007993605115907274

The reciprocal of 1251.

Palindrome?

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

The number 1251 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 fifty-one is a composite number with 6 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 fifty-one is a composite number with 6 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 fifty-one has the following 2 prime factors:

3
Three
139
One Hundred and Thirty-Nine

Prime Factorization

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

32 · 1391 = 1251

Base Conversions

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