11068
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 16
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 6
- Divisor Sum
- 19376
- Proper Divisor Sum (Aliquot Sum)
- 8308
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 5532
- Möbius Function
- 0
- Radical
- 5534
- 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
- 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
- 99
- Smith Number
- no
- Vampire 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
Appears in sequences
- Number of n-step self-avoiding walks on cubic lattice ending at point with x=2.at n=5A000761
- a(n) = a(n-2) + a(n-3), with a(0) = 0, a(1) = 1, a(2) = 2.at n=34A007307
- Numbers k such that the continued fraction for sqrt(k) has period 100.at n=22A020439
- Convolution of A000201 with itself.at n=28A023663
- Number of distinct products i*j with 0 <= i, j <= n-th prime.at n=45A027419
- Numbers k whose decimal representation, read as a base-17 value and divided by k, yields an integer.at n=11A032565
- Total number of odd parts in all partitions of n.at n=24A066897
- Number of polyhexes with n cells that tile the plane isohedrally.at n=9A075214
- Number of partitions of n such that the set of odd parts has only one element.at n=49A090868
- Least positive k such that k * [RSA-640]^n - 1 is prime, where RSA-640 is the 193 decimal digit RSA challenge number A391940(14).at n=23A108573
- Expansion of (1-x-2*x^2)/(1-x^2+x^3).at n=38A109248
- Number of 12-almost primes less than or equal to 10^n.at n=7A120053
- a(n) = A098601(2n) + A098601(2n+1).at n=16A137495
- a(n) = 3*a(n-1) - 2*a(n-2) + a(n-3), n > 3.at n=11A137584
- Expansion of 2*x*(6 + 5*x) / ((1 - x)*(1 - x - x^2)).at n=13A142245
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, 0), (0, 1, -1), (1, 0, 0), (1, 1, 1)}.at n=7A150771
- Number of binary strings of length n with no substrings equal to 0010 0101 or 1010.at n=12A164494
- Row sum of column n in A126441 or A161924.at n=9A171426
- Weighted sum of all cyclic subgroups of the Symmetric Group.at n=6A181949
- Greatest number (in decimal representation) with n nonprime substrings in base-5 representation (substrings with leading zeros are considered to be nonprime).at n=7A217115