5 Number Properties & Facts

Primality

Prime Factorization of 5

5¹

Number of Divisors in 5

2 View

1, 5

1, 5

Is 5 Prime?

Yes

Next Prime

7

Previous Prime

3

Trigonometry

Sine of 5

-0.95892427466314

Cosecant: -1.0428352127714

Cosine of 5

0.28366218546323

Secant: 3.5253200858161

Tangent of 5

-3.3805150062466

Cotangent: -0.29581291553275

Functions

Square of 5

25

5 × 5 = 25

Square Root of 5

2.2360679774998

2.2360679774998² = 5

Natural Logarithm (ln) of 5

1.6094379124341

e^{1.6094379124341} = 5

Decimal Logarithm (log) of 5

0.69897000433602

10^{0.69897000433602} = 5

Numeric Bases

5 in Binary

0b101

Base 2

5 in Octal

05

Base 8

5 in Hexadecimal

0x5

Base 16

Sequences

Is 5 a Fibonacci Number?

Yes: F₅

Is 5 a Bell Number?

Yes: B₃

Is 5 a Catalan Number?

Yes: C₃

Is 5 a Factorial?

No

Is 5 a Perfect Number?

No

Translations

Miscellaneous

Number of Significant Figures in 5

1

Hamming Weight of 5

2

Is 5 a Hamming (Regular) Number?

Yes

Is 5 a Humble Number?

Yes

Is 5 a Polygonal (s < 13) Number?

Pentagonal (2)

Is 5 a Happy Number?

No

Is 5 a Self Describing Number?

No

Is 5 a Palindrome?

Yes

Is 5 a Münchhausen Number?

No

Is 5 an Eban Number?

No

Is 5 a Pernicious Number?

Yes

Is 5 a Attractive Number?

Yes

Is 5 a Perfect Square?

No

Is 5 a Perfect Power?

No