Complete Number Analysis
7
It's a prime number!
It's a palindrome!
It's a narcissistic number!
It's a happy number!
Number Visualizations
Binary Visual
111
3 ones, 0 zeros
Mathematical Properties
Basic Properties
Parity:
Odd
Prime:
Yes
Square:
49
Cube:
343
Square root:
2.6458
Cube root:
1.9129
Factorial:
5,040
Divisors and Factors
Prime factors:
7
Number of divisors:
2
Sum of divisors:
1
Type:
Deficient
Divisors:
1, 7
Conversions
Binary:
111
Octal:
7
Hexadecimal:
7
Roman:
VII
Base64:
Nw==
Geometry and Measures
Circle (radius 7)
Area:
153.94 u²
Perimeter:
43.98 u
Diameter:
14 u
Square (side 7)
Area:
49 u²
Perimeter:
28 u
Diagonal:
9.90 u
3D Volumes
Cubo:
343 u³
Sphere:
1,436.76 u³
Cylinder:
1,077.57 u³
More Measures
Eq. triangle:
21.22 u²
Hexagon:
127.31 u²
Cube surf.:
294 u²
Numerology and Symbolism
Numerological Analysis
Sum of digits:
7
Numerological reduction:
7
Product of digits:
7
Unique Digits:
1
Meanings:
Spirituality
Analysis
Mysticism
Number Curiosities
General fact: 7 is the number of estimated objects that can be simultaneously held in human working memory.
Mathematical fact: 7 is the lowest number that cannot be represented as the sum of the squares of three integers.
Trivia: 7 is the approximate number of years in the lifespan of Irish Wolfhound dogs.
Historical date: January 7th is the day in 1558 that France takes Calais, the last continental possession of England.
More Interesting Properties
In the calendar
Day of the year:
7 January
Weeks:
1 weeks
Months:
0.2 months
Years:
0.02 years
In time
Seconds:
00:00:07
Minutes:
0.12 min
Hours:
0 h
Days:
0 days
Representations
Percentage:
7%
Angle:
7°
Temperature:
7°C = 44.6°F
Frequency:
7 Hz
Games
Dice (d6):
1 dados + 1
Chess:
g1
Cards:
7♠
Programmatically generated for number 7
Try another number:
Random number