17330
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 14
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 31212
- Proper Divisor Sum (Aliquot Sum)
- 13882
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 6928
- Möbius Function
- -1
- Radical
- 17330
- Omega Function (Ω)
- 3
- 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
- yes
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 141
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- 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
- yes
- Odd
- no
Appears in sequences
- Number of points on surface of hexagonal prism: 12*n^2 + 2 for n > 0 (coordination sequence for W(2)).at n=38A005914
- Number of partitions with at most one part divisible by 5.at n=36A039905
- Length of hypotenuse squared in right triangle formed by a prime spiral plotted in Cartesian coordinates.at n=24A048851
- a(n) = prime(n+1)^2 + prime(n)^2.at n=23A069484
- Interprimes which are of the form s*prime, s=10.at n=35A075285
- Sum of terms in n-th rows of triangle in A077159.at n=32A077162
- Row sums of A081964.at n=32A081966
- Number of points in the standard root system version of the D_3 (or f.c.c.) lattice having L_infinity norm n.at n=38A110907
- Indices n such that A134204(n) < n.at n=24A133242
- 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, 0, 0), (-1, 0, 1), (0, 0, 1), (0, 1, -1), (1, -1, 1)}.at n=10A148204
- Number of binary strings of length n with no substrings equal to 0000 or 0010.at n=16A164387
- Number of binary strings of length n with no substrings equal to 0010 0110 or 1011.at n=15A164497
- A symmetrical triangle sequence T(n, m) = 2 + binomial(n, m)^3 - 3*binomial(n, m)*Eulerian(n+1, m) + Eulerian(n+1, m)^3.at n=11A174914
- A symmetrical triangle sequence T(n, m) = 2 + binomial(n, m)^3 - 3*binomial(n, m)*Eulerian(n+1, m) + Eulerian(n+1, m)^3.at n=13A174914
- Rounded down ratio of area of a unit circle and one of the circles inscribed between a regular n-gon and a circumscribed unit circle.at n=15A244094
- Number of nonnegative integers with property that their base 10/7 expansion has n digits.at n=22A245431
- Number of nX6 0..2 arrays with no element equal to more than one of its king-move neighbors and with new values introduced in order 0 sequentially upwards.at n=11A280857
- a(n) = 136*2^n - 78 (n>=0).at n=7A305156
- Quotients obtained when sigma(k) divides antisigma(k) with k = A076617(n), sigma (A000203) is the sum of divisors function and antisigma (A024816) is the sum of the non-divisors of n less than n function.at n=29A353000
- Maximal coefficient of (1 + x) * (1 + x^16) * (1 + x^81) * ... * (1 + x^(n^4)).at n=34A359320