14598
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 27
- Digital Root
- 9
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 31668
- Proper Divisor Sum (Aliquot Sum)
- 17070
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 4860
- Möbius Function
- 0
- Radical
- 4866
- Omega Function (Ω)
- 4
- 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
- 45
- 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
- a(n) = Sum{a(k): k=0,1,2,...,n-4,n-2,n-1}; a(n-3) is not a summand; initial terms are 0,2,3.at n=16A049861
- Esanacci (hexanacci or "6-anacci") numbers.at n=14A074584
- Number of distinct primes in the numerator of the 2^n sums generated from the set 1, 1/2, 1/3, ..., 1/n.at n=17A075189
- a(n) = (A102877(n+1) - A102877(n))/2.at n=10A111017
- Numbers of length n binary words with fewer than 5 0-digits between any pair of consecutive 1-digits.at n=14A145113
- a(n) = 1458*n + 18.at n=9A157505
- Number of k < 10^n such that A047988(k) = 4.at n=10A213533
- Number of distinct cardinalities of orbits of lattice points under the automorphism group of the n-dimensional integer lattice.at n=37A270950
- Triangle T(n,k) read by rows: coefficients of polynomials P_n(t) defined in Formula section.at n=40A287040
- a(n) = 2*n^3 - 4*n^2 + 10*n - 2 (n>=1).at n=19A304161
- Number of edges formed in a hexagon by straight line segments when connecting the n-1 points between each corner that divide each edge into n equal parts to the n-1 points on the edge on the opposite side of the hexagon.at n=7A367664
- Expansion of (1/x) * Series_Reversion( x * (1/(1+x^3) - x) ).at n=9A369630
- a(n) = Sum_{j=1..n} Sum_{k=1..n} phi(n*j*k) / phi(n*k).at n=31A372669