92
domain: N
Properties
Digital Properties
- Digit Count
- 2
- Digit Sum
- 11
- Digital Root
- 2
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 6
- Divisor Sum
- 168
- Proper Divisor Sum (Aliquot Sum)
- 76
- 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
- 44
- Möbius Function
- 0
- Radical
- 46
- Omega Function (Ω)
- 3
- 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
- yes
- 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
- 17
- Smith Number
- no
Classification
- Natural
- yes
- Even
- yes
- Odd
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- Squarefree Number
- no
- 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
- zweiundneunzig· ordinal: zweiundneunzigste
- English
- ninety-two· ordinal: ninety-second
- Spanish
- noventa y dos· ordinal: 92º
- French
- quatre-vingt-douze· ordinal: quatre-vingt-douzième
- Italian
- novantadue· ordinal: 92º
- Latin
- nonaginta duo· ordinal: 92.
- Portuguese
- noventa e dois· ordinal: 92º
Appears in sequences
- Numbers that are not squares (or, the nonsquares).at n=82A000037
- 1-digit numbers arranged in alphabetical order, then the 2-digit numbers arranged in alphabetical order, then the 3-digit numbers, etc.at n=54A000052
- Generalized tangent numbers d(n,1).at n=33A000061
- Number of partitions of n if there are two kinds of 1, two kinds of 2 and two kinds of 3.at n=7A000098
- Denumerants: Expansion of 1/((1-x)*(1-x^2)*(1-x^5)).at n=39A000115
- Central polygonal numbers (the Lazy Caterer's sequence): n(n+1)/2 + 1; or, maximal number of pieces formed when slicing a pancake with n cuts.at n=13A000124
- Number of ways of placing n nonattacking queens on an n X n board.at n=8A000170
- Lower Wythoff sequence (a Beatty sequence): a(n) = floor(n*phi), where phi = (1+sqrt(5))/2 = A001622.at n=56A000201
- a(8i+j) = 13i + a(j), where 1<=j<=8.at n=56A000202
- A Beatty sequence: floor(n*(e-1)).at n=53A000210
- 3*n - 2*floor(sqrt(4*n+5)) + 5.at n=37A000277
- Pentagonal numbers: a(n) = n*(3*n-1)/2.at n=8A000326
- 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=47A000379
- A Beatty sequence: [ n(e+1) ].at n=24A000572
- Number of equivalence classes of Boolean functions of n variables under GL(n,2).at n=3A000585
- Number of nonnegative solutions of x^2 + y^2 = z in first n shells.at n=44A000592
- NP-equivalence classes of threshold functions of exactly n variables.at n=5A000619
- An approximation to population of x^2 + y^2 <= 2^n.at n=8A000692
- Final two digits of 2^n.at n=13A000855
- Final two digits of 2^n.at n=33A000855