80 Number Properties & Facts

Eighty

Primality

Prime Factorization of 80
24 × 51
Number of Divisors of 80
10
1, 2, 4, 5, 8, 10, 16, 20, 40, 80
1, 2, 4, 5, 8, 10, 16, 20, 40, 80
Is 80 Prime?
No

Trigonometry

Sine of 80
-0.99388865392338
Cosecant: -1.0061489242809
Cosine of 80
-0.11038724383905
Secant: -9.059017738119
Tangent of 80
9.0036549456071
Cotangent: 0.11106600664299

Functions

Square of 80
6400
80 × 80 = 6400
Square Root of 80
8.9442719099992
8.94427190999922 = 80
Natural Logarithm (ln) of 80
4.3820266346739
e4.3820266346739 = 80
Decimal Logarithm (log) of 80
1.9030899869919
101.9030899869919 = 80

Sequences

Is 80 a Fibonacci Number?
No
Is 80 a Bell Number?
No
Is 80 a Catalan Number?
No
Is 80 a Factorial?
No
Is 80 a Perfect Number?
No

Translations

How do you say 80 in different languages?
Englisheighty
españolochenta
françaisquatre-vingts
Deutschachtzig
Nederlandstachtig
русскийвосемьдесят
українськавісімдесят
Tiếng Việttám mươi
العربيةثمانون
עבריתשמונים
हिन्दीअस्सी
中文八十
日本語八十
한국어팔십
češtinaosmdesát
hrvatskiosamdeset
slovenčinaosemdesiat
polskiosiemdziesiąt
Türkçeseksen
portuguêsoitenta
italianoottanta
svenskaåttio
suomikahdeksan­kymmentä
norskåtti
Filipinowalóng pû
Melayulapan puluh
မြန်မာရှစ်ဆယ်
Indonesiadelapan puluh
Kiswahilithemanini

Numeric Bases

80 in Binary (Base 2)
0b1010000
One's Complement: 0101111
Two's Complement: 0110000
80 in Octal (Base 8)
0120
80 in Hexadecimal (Base 16)
0x50

Miscellaneous

  • 80 is an even number
  • 80 has 1 Significant Figures
  • The Hamming Weight of 80 is 2
  • 80 is a Hamming (Regular) Number
  • 80 is a Humble Number
  • 80 is not a Polygonal (s < 13) Number
  • 80 is not a Happy Number
  • 80 is not a Self Describing Number
  • 80 is not a Palindrome
  • 80 is not a Münchhausen Number
  • 80 is not an Eban Number
  • 80 is a Pernicious Number
  • 80 is an Attractive Number
  • 80 is not a Perfect Square
  • 80 is not a Perfect Power