11479
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 22
- Digital Root
- 4
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 12376
- Proper Divisor Sum (Aliquot Sum)
- 897
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 10584
- Möbius Function
- 1
- Radical
- 11479
- 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
- 174
- Smith Number
- no
- Vampire Number
- no
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
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Fourth column (r=3) of FS(3) staircase array A062745.at n=38A062748
- Numerator of sum of reciprocals of first n pentatope numbers A000332.at n=38A118411
- Number of partitions of n in which each even part has odd multiplicity.at n=37A130126
- a(n) = (prime(n)^2 + prime(n+1))/2.at n=34A140511
- Magic constants of 5 X 5 magic squares which consist of consecutive primes.at n=41A176571
- Number of (n+1) X (n+1) -2..2 symmetric matrices with every 2 X 2 subblock having sum zero and one or three distinct values.at n=10A211114
- Number of (w,x,y,z) with all terms in {0,...,n} and (least gapsize)<=2.at n=10A212898
- a(n) = (6*n^2 + 7*n - 9 + 2*n^3)/12 - (-1)^n*(n+1)/4.at n=39A219527
- Numerator of Sum_{k=1..n} 1/(k(k+1)(k+2)(k+3)) = Sum_{k=1..n} 1/Pochhammer(k,4).at n=39A230339
- Numbers x such that x = concatenate(a, b) and phi(a) + phi(b) = sigma(x) - x.at n=9A254624
- Least positive integer k such that both k and k*n belong to the set {m>0: 2*prime(prime(m))+1 = prime(p) for some prime p}.at n=13A261362
- T(n,k) = Number of (n+1) X (k+1) 0..2 arrays with each row nonprime and column prime, read as a base 3 number with top and left being the most significant digits.at n=15A262109
- Number of (1+1)X(n+1) 0..2 arrays with each row nonprime and column prime, read as a base 3 number with top and left being the most significant digits.at n=5A262110
- a(n) = a(n-1) + 3*a(n-2) - 2*a(n-3) - a(n-4) for n >= 4, where a(0) = 2, a(1) = 4, a(2) = 7, a(3) = 12.at n=14A288317
- Numbers missing from A317415.at n=18A317417
- Number of totally aperiodic integer partitions of n.at n=33A319811
- Number of unlabeled connected loopless multigraphs with n edges rooted at one oriented edge.at n=7A339037
- Bitwise encoding of the state of a 1D cellular automaton after n steps from ...111000... where adjacent cells swap 01 <-> 10 when within triples 110 or 011.at n=26A359303
- Product_{n>=1} (1 + a(n) * x^n) = 1 + Sum_{n>=1} (n * (n + 1) / 2) * x^n.at n=34A359407
- Numbers k that divide the k-th term of Narayana's cows sequence.at n=8A372900