99 Number Properties & Facts

Ninety-Nine

Primality

Prime Factorization of 99
32 × 111
Number of Divisors of 99
6
1, 3, 9, 11, 33, 99
1, 3, 9, 11, 33, 99
Is 99 Prime?
No

Trigonometry

Sine of 99
-0.99920683418635
Cosecant: -1.000793795425
Cosine of 99
0.039820880393139
Secant: 25.112453319146
Tangent of 99
-25.092534979677
Cotangent: -0.039852490025816

Functions

Square of 99
9801
99 × 99 = 9801
Square Root of 99
9.9498743710662
9.94987437106622 = 99
Natural Logarithm (ln) of 99
4.5951198501346
e4.5951198501346 = 99
Decimal Logarithm (log) of 99
1.9956351945975
101.9956351945975 = 99

Sequences

Is 99 a Fibonacci Number?
No
Is 99 a Bell Number?
No
Is 99 a Catalan Number?
No
Is 99 a Factorial?
No
Is 99 a Perfect Number?
No

Translations

How do you say 99 in different languages?
Englishninety-nine
españolnoventa y nueve
françaisquatre-vingt-dix-neuf
Deutschneun­und­neunzig
Nederlandsnegen­en­negentig
русскийдевяносто девять
українськадевʼяносто девʼять
Tiếng Việtchín mươi chín
العربيةتسعة و تسعون
עבריתתשעים ותשע
हिन्दीनिन्यानबे
中文九十九
日本語九十九
한국어구십구
češtinadevadesát devět
hrvatskidevedeset i devet
slovenčinadeväťdesiat­deväť
polskidziewięćdziesiąt dziewięć
Türkçedoksan dokuz
portuguêsnoventa e nove
italianonovanta­nove
svenskanittio­nio
suomiyhdeksän­kymmentä­yhdeksän
norsknitti­ni
Filipinosiyám na pû’t siyám
Melayusembilan puluh sembilan
မြန်မာကိုးဆယ်ကိုး
Indonesiasembilan puluh sembilan
Kiswahilitisini na tisa

Numeric Bases

99 in Binary (Base 2)
0b1100011
One's Complement: 0011100
Two's Complement: 0011101
99 in Octal (Base 8)
0143
99 in Hexadecimal (Base 16)
0x63

Miscellaneous

  • 99 is an odd number
  • 99 has 2 Significant Figures
  • The Hamming Weight of 99 is 4
  • 99 is not a Hamming (Regular) Number
  • 99 is not a Humble Number
  • 99 is not a Polygonal (s < 13) Number
  • 99 is not a Happy Number
  • 99 is not a Self Describing Number
  • 99 is a Palindrome
  • 99 is not a Münchhausen Number
  • 99 is not an Eban Number
  • 99 is a Pernicious Number
  • 99 is an Attractive Number
  • 99 is not a Perfect Square
  • 99 is not a Perfect Power