4 to the Power of 2 — 4² = 16

4 to the power of 2 (4²) equals 16. This means 4 x 4 = 16. Result has 2 digits, prime factorisation 2 x 2 x 2 x 2....

4² = ?

4 TO THE POWER OF 2

16

4² = 4 × 4 = 16

Value

16

Base

4

Exponent

2

Number of digits

2

Digit sum

7

Even or odd?

Even

Divisible by 10?

No

Perfect square?

Yes ✓

STEP-BY-STEP

1

4² means multiply 4 by itself 2 times

2

4

4 × 4 = 16

3

4² = 16

PRIME FACTORISATION

16 = 2 × 2 × 2 × 2

= 4² (all factors are 4)

SAME VALUE — OTHER BASES

2⁴ = 16

FUN FACT

16 equals 2 to the 4. Also ounces in a pound.

POWERS OF 4 (1 → 2)

4¹
4
4²
16

ALL POWERS OF 4 (1–10)

EXPONENT LAWS

4² × 4= 4³ = 64
4² × 4²= 4⁴ = 256
4² ÷ 4= 4¹ = 4
√(4²)= 4¹ = 4 (exact)
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HOW TO CALCULATE

  1. 1

    4² means multiply 4 by itself 2 times.

  2. 2

    Multiplication chain: 4 x 4 = 16.

  3. 3

    The result is 16 - 2 digits, prime factorisation: 2 x 2 x 2 x 2.

  4. 4

    Check: 4¹ x 4 = 4 x 4 = 16.

WORKED EXAMPLE

4² = 4 x 4 = 16. Digits: 2. Prime factors: 2 x 2 x 2 x 2. Also: 2⁴ = 16.

FREQUENTLY ASKED QUESTIONS

OTHER BASES TO THE POWER OF 2

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Last updated: April 28, 2026 · Verified by EagleCalculator team · Eagle-eyed accuracy for every calculation.