884
domain: N
Properties
Digital Properties
- Digit Count
- 3
- Digit Sum
- 20
- Digital Root
- 2
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 1764
- Proper Divisor Sum (Aliquot Sum)
- 880
- 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
- 384
- Möbius Function
- 0
- Radical
- 442
- Omega Function (Ω)
- 4
- Little Omega Function (ω)
- 3
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
- 116
- Smith Number
- 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
Classification
- Even
- yes
- Odd
- no
Names
- German
- achthundertvierundachtzig· ordinal: achthundertvierundachtzigste
- English
- eight hundred eighty-four· ordinal: eight hundred eighty-fourth
- Spanish
- ochocientos ochenta y cuatro· ordinal: 884º
- French
- huit cent quatre-vingt-quatre· ordinal: huit cent quatre-vingt-quatrième
- Italian
- ottocentoottantaquattro· ordinal: 884º
- Latin
- octingenti octoginta quattuor· ordinal: 884.
- Portuguese
- oitocentos e oitenta e quatro· ordinal: 884º
Appears in sequences
- Expansion of Product (1 - x^k)^8 in powers of x.at n=26A000731
- Number of compositions of n into 4 ordered relatively prime parts.at n=16A000742
- Number of partially achiral rooted trees.at n=11A003240
- Number of points on surface of tetrahedron; coordination sequence for sodalite net (equals 2*n^2+2 for n > 0).at n=21A005893
- Numbers k such that k^8 + 1 is prime.at n=34A006314
- Numbers n such that n^32 + 1 is prime.at n=22A006315
- Numbers whose sum of divisors is a square.at n=39A006532
- Triangular numbers plus quarter squares: n*(n+1)/2 + floor(n^2/4) (i.e., A000217(n) + A002620(n)).at n=34A006578
- Numbers k such that phi(x) = k has exactly 3 solutions.at n=35A007367
- Expansion of (1+x^2)/((1-x)^2*(1-x^3)).at n=50A007980
- Coordination sequence T4 for Zeolite Code NES.at n=19A008208
- Coordination sequence T1 for Zeolite Code NON.at n=18A008212
- Multiples of 17.at n=52A008599
- Harmonic Molien series for Conway group Con.0.at n=34A008924
- If a, b in sequence, so is ab+4.at n=21A009303
- Coordination sequence T2 for Zeolite Code -CLO.at n=26A009851
- Coordination sequence T4 for Zeolite Code -CLO.at n=26A009853
- Coordination sequence for CaF2(1), Ca position.at n=10A009923
- Coordination sequence for NiAs(2), Ni position.at n=14A009946
- a(0) = 1, a(n) = 18*n^2 + 2 for n>0.at n=7A010008