16360
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
- 16
- Divisor Sum
- 36900
- Proper Divisor Sum (Aliquot Sum)
- 20540
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 6528
- Möbius Function
- 0
- Radical
- 4090
- Omega Function (Ω)
- 5
- 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
- 66
- 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
- "BFJ" (reversible, size, labeled) transform of 1,2,3,4...at n=8A032040
- Number of tilings of the 9-dimensional zonotope constructed from D vectors.at n=3A060601
- Number of tilings of the d-dimensional zonotope constructed from d+3 vectors.at n=9A060602
- Centered 19-gonal numbers.at n=41A069132
- Let b(1)=b(2)=1, b(k) = (2^b(k-1)+2^b(k-2)) (mod k); sequence gives values of n such that b(n)=0.at n=37A074782
- a(n) = Sum {k + j*m <= n} (k + j*m), with 0 < k,j,m <= n.at n=25A106847
- Sum of the even parts in all partitions of n into distinct parts.at n=38A116684
- Smaller side not divisible by 37 of right triangles with integer sides and integer side inscribed squares with two vertices on the hypotenuse.at n=20A123697
- Ramanujan numbers (A000594) read mod 16384.at n=1A126824
- This is to A139025 as A139025 to A014688, see A139025 for details.at n=26A139026
- Partial sums of A068148.at n=26A178137
- Let S denote the palindromes in the language {0,1,2,...,n-1}*; a(n) = number of words of length 4 in the language SS.at n=19A187277
- Number of non-complete compositions of n.at n=15A188575
- Number of (n+1)X(1+1) 0..2 arrays colored with the maximum plus the upper median plus the minimum minus the lower median of every 2X2 subblock.at n=3A236775
- Number of (n+1)X(4+1) 0..2 arrays colored with the maximum plus the upper median plus the minimum minus the lower median of every 2X2 subblock.at n=0A236778
- T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the maximum plus the upper median plus the minimum minus the lower median of every 2X2 subblock.at n=6A236780
- T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the maximum plus the upper median plus the minimum minus the lower median of every 2X2 subblock.at n=9A236780
- Numbers k such that 7*R_(k+2) - 5*10^k is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=14A257028
- G.f. satisfies: A(x,y) = 1-x + y*x + Series_Reversion( x/A(x,y)^2 ).at n=31A257813
- Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 173", based on the 5-celled von Neumann neighborhood.at n=13A279599