95
domain: N
Properties
Digital Properties
- Digit Count
- 2
- Digit Sum
- 14
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 120
- Proper Divisor Sum (Aliquot Sum)
- 25
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 72
- Möbius Function
- 1
- Radical
- 95
- Omega Function (Ω)
- 2
- Little Omega Function (ω)
- 2
Special
- Factorial
- no
- Catalan Number
- no
- Bell Number
- no
- Motzkin Number
- no
- Primorial
- no
Figurate Numbers
- Fibonacci Number
- no
- Triangular Number
- no
- Perfect Square
- no
- Perfect Cube
- no
- Pentagonal Number
- no
- Hexagonal Number
- no
- Lucas Number
- no
- Tetrahedral Number
- no
- Pell Number
- no
- Tribonacci Number
- no
- Pronic Number
- no
Recreational
- Happy Number
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 105
- Smith Number
- no
Classification
- Natural
- yes
- Even
- no
- Odd
- yes
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- yes
- Squarefree Number
- yes
- Prime Power
- no
- Prime Factorization
- no
- Twin Prime
- no
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Names
- German
- fünfundneunzig· ordinal: fünfundneunzigste
- English
- ninety-five· ordinal: ninety-fifth
- Spanish
- noventa y cinco· ordinal: 95º
- French
- quatre-vingt-quinze· ordinal: quatre-vingt-quinzième
- Italian
- novantacinque· ordinal: 95º
- Latin
- nonaginta quinque· ordinal: 95.
- Portuguese
- noventa e cinco· ordinal: 95º
Appears in sequences
- Numbers that are not squares (or, the nonsquares).at n=85A000037
- 1-digit numbers arranged in alphabetical order, then the 2-digit numbers arranged in alphabetical order, then the 3-digit numbers, etc.at n=47A000052
- Number of rooted trees with n nodes and a single labeled node; pointed rooted trees; vertebrates.at n=6A000107
- Lower Wythoff sequence (a Beatty sequence): a(n) = floor(n*phi), where phi = (1+sqrt(5))/2 = A001622.at n=58A000201
- a(8i+j) = 13i + a(j), where 1<=j<=8.at n=58A000202
- For n >= 2, a(n) = b(n+1)+b(n)+b(n-1), where the b(i) are the ménage numbers A000179; a(0)=a(1)=1.at n=5A000270
- 3*n - 2*floor(sqrt(4*n+5)) + 5.at n=38A000277
- Numbers where total number of 1-bits in the exponents of their prime factorization is even; a 2-way classification of integers: complement of A000028.at n=50A000379
- a(n) = Sum_{k=1..n-1} k*sigma(k)*sigma(n-k).at n=4A000441
- The greedy sequence of integers which avoids 3-term geometric progressions.at n=70A000452
- 1 together with products of 2 or more distinct primes.at n=35A000469
- Number of discordant permutations.at n=1A000562
- Number of partitions of n, with three kinds of 1 and 2 and two kinds of 3,4,5,....at n=5A000714
- Erroneous version of A007535.at n=38A000783
- Number of inequivalent planar partitions of n, when considering them as 3D objects.at n=10A000786
- Numbers ending with a vowel in American English.at n=45A000861
- Numbers beginning with letter 'n' in English.at n=7A000981
- 1-digit numbers in reverse alphabetical order, then 2-digit numbers, etc.at n=62A001058
- 1-, 2-, 3-, ... digit numbers in alphabetical order in German.at n=42A001061
- 1-, 2-, 3- ... digit numbers in alphabetical order in French (incorrect version, see A187876 for the correct version).at n=50A001062