5930
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 17
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 10692
- Proper Divisor Sum (Aliquot Sum)
- 4762
- 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
- 2368
- Möbius Function
- -1
- Radical
- 5930
- 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
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 49
- 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
- Shifts left when inverse Moebius transform applied twice.at n=39A007557
- Coordination sequence T2 for Zeolite Code CAS.at n=46A008064
- Decimal part of cube root of a(n) starts with 1: first term of runs.at n=16A034127
- Multiplicity of highest weight (or singular) vectors associated with character chi_187 of Monster module.at n=38A034575
- The number of n-step self-avoiding walks in a 5-dimensional hypercubic lattice with no non-contiguous adjacencies.at n=4A038726
- Numerators of continued fraction convergents to sqrt(659).at n=5A042266
- Base-9 palindromes that start with 8.at n=12A043035
- Values of n^2 + 1 resulting from A050796.at n=43A050800
- Numbers k such that 265*2^k + 1 is prime.at n=15A053349
- a(n) = A000203(n)^2 - A001157(n) - 2n = sigma(n)^2 - sigma_2(n) - 2n.at n=51A066294
- Centered square numbers: a(n) = 4*n^2 + 4*n + 2.at n=38A069894
- Numbers n such that n^2+n+41 (Euler's "prime generating polynomial") is not squarefree.at n=35A097823
- Triangle read by rows: T(n,k) = number of peakless Motzkin paths of length n containing k DHH...HU's, where U=(1,1), D=(1,-1) and H=(1,0) (can be easily expressed using RNA secondary structure terminology).at n=37A098083
- Triangle read by rows: CP(n,i) for n>=0 and 3n+1 >= i >= 0, gives the absolute value of the coefficients of the chromatic polynomial of C_3 X P_(n+1) factored in the form x(x-1)^i.at n=32A123531
- Expansion of 1/(1 - x - x^2 + x^3 - x^7 + x^9 - x^11).at n=32A147663
- a(n) = 81*n^2 - 72*n + 17.at n=9A154277
- a(n) = 250*n - 70.at n=24A154361
- Partial sums of A048890.at n=9A172973
- Number of line segments connecting exactly 6 points in an n x n grid of points.at n=25A177722
- a(n) = 9*n^2 - 6*n + 2.at n=25A185939