The Number

70

Seventy

Nearby Numbers

Positive, nonzero integers within three units

67
Sixty-Seven
68
Sixty-Eight
69
Sixty-Nine
71
Seventy-One
72
Seventy-Two
73
Seventy-Three

Scientific Notation

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

7e1

Reciprocal

A number multiplied with its reciprocal is one.

0.014285714285714285

The reciprocal of 70.

Palindrome?

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

The number 70 is not a palindrome.

Not A Prime Number

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

Seventy is a composite number with 8 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Seventy is a composite number with 8 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 seventy has the following 3 prime factors:

2
Two
5
Five
7
Seven

Prime Factorization

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

21 · 51 · 71 = 70

Base Conversions

The number seventy in 35 different bases