5 Number Properties & Facts

Primality

Prime Factorization of 5

5¹

Number of Divisors of 5

2

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

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

Numeric Bases

5 in Binary (Base 2)

0b101

One's Complement: 010

Two's Complement: 011

5 in Octal (Base 8)

05

5 in Hexadecimal (Base 16)

0x5

Miscellaneous

• 5 is an odd number
• 5 has 1 Significant Figures
• The Hamming Weight of 5 is 2
• 5 is a Hamming (Regular) Number
• 5 is a Humble Number
• 5 is a Polygonal (s < 13) Number: Pentagonal (2)
• 5 is not a Happy Number
• 5 is not a Self Describing Number
• 5 is a Palindrome
• 5 is not a Münchhausen Number
• 5 is not an Eban Number
• 5 is a Pernicious Number
• 5 is an Attractive Number
• 5 is not a Perfect Square
• 5 is not a Perfect Power