948
domain: N
Properties
Digital Properties
- Digit Count
- 3
- Digit Sum
- 21
- Digital Root
- 3
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 2240
- Proper Divisor Sum (Aliquot Sum)
- 1292
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 312
- Möbius Function
- 0
- Radical
- 474
- 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
- 36
- 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
- neunhundertachtundvierzig· ordinal: neunhundertachtundvierzigste
- English
- nine hundred forty-eight· ordinal: nine hundred forty-eighth
- Spanish
- novecientos cuarenta y ocho· ordinal: 948º
- French
- neuf cent quarante-huit· ordinal: neuf cent quarante-huitième
- Italian
- novecentoquarantotto· ordinal: 948º
- Latin
- nongenti quadraginta octo· ordinal: 948.
- Portuguese
- novecentos e quarenta e oito· ordinal: 948º
Appears in sequences
- Number of symmetrical planar partitions of n (planar partitions (A000219) that when regarded as 3-D objects have just one symmetry plane).at n=23A000784
- Number of n-step self-avoiding walks on diamond.at n=6A001394
- Colored series-parallel networks.at n=4A001575
- High-temperature series for spin-1/2 Ising magnetic susceptibility on diamond structure.at n=6A003119
- Number of symmetric plane partitions of n.at n=24A005987
- Coordination sequence T1 for Zeolite Code MTT.at n=19A008189
- Coordination sequence T1 for Zeolite Code RTE.at n=21A009890
- Coordination sequence T3 for Zeolite Code RTE.at n=21A009892
- a(n) = Sum_{i,j,k in Z and i^2 + j^2 + k^2 <= n} i^2 + j^2 + k^2.at n=10A014203
- Numbers k that divide s(k), where s(1)=1, s(j)=24*s(j-1)+j.at n=56A014875
- Quadruples of different integers from [ 1,n ] with no common factors between triples.at n=14A015625
- Numbers n such that phi(n) * sigma(n) + 16 is a perfect square.at n=29A015729
- phi(n) + 8 | sigma(n).at n=38A015799
- Divisors of 948.at n=11A018738
- Squares on infinite chessboard at n moves from center using a {2,3} fairy knight.at n=15A018839
- Coordination sequence for G_2 lattice.at n=53A019557
- Fibonacci sequence beginning 2, 16.at n=10A022370
- a(n) = n-2 + Sum_{i = 1..n-2} (a(i+1) mod a(i)) for n >= 3 with a(1) = a(2) = 1.at n=46A022856
- a(n) = a(n-1) + c(n-1) for n >= 2, a( ) increasing, given a(1)=6; where c( ) is complement of a( ).at n=38A022938
- a(n) = s(1)*s(n) + s(2)*s(n-1) + ... + s(k)*s(n+1-k), where k = floor((n+1)/2), s = (natural numbers >= 3).at n=17A024312