14306
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
- 22464
- Proper Divisor Sum (Aliquot Sum)
- 8158
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 6820
- Möbius Function
- -1
- Radical
- 14306
- 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
- 76
- 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
- Positive numbers k such that k and 2*k are anagrams in base 8 (written in base 8).at n=26A023073
- Positive numbers k such that k and 4*k are anagrams in base 8 (written in base 8).at n=14A023075
- a(n) = Sum_{i=1..floor((n+1)/4)} a(2*i-1) * a(n-2*i+1), with a(1)=a(2)=1 and a(3)=2.at n=19A024723
- Offsets for the Atkin Partition Congruence theorem.at n=48A036492
- Let R(i,j) be the rectangle with antidiagonals 1; 2,3; 4,5,6; ...; the n-th Fibonacci number is in antidiagonal a(n).at n=39A057042
- Numbers k such that k^2 + k + 1, k^3 + k + 1 and k^4 + k + 1 are all prime.at n=41A057683
- Numbers which retain their position in A073666 (position not disturbed by the rearrangement).at n=47A073667
- a(n) is the area of the triangle with sides prime(n), prime(n+2) and prime(n+4), rounded down to the nearest integer.at n=36A096384
- Expansion of q^(-1/3) * eta(q^6)^2 / (eta(q) * eta(q^3)) in powers of q.at n=32A097197
- Expansion of psi(-q^3) / f(q) where psi(), f() are Ramanujan theta functions.at n=32A139135
- Number of simple unlabeled n-node graphs of edge-connectivity 4.at n=8A241703
- a(n) = 2*n^4 - floor(2^(1/4)*n)^4.at n=27A257854
- Triangle read by rows: T(n,k) is the number of unlabeled simple graphs with n vertices and maximum vertex degree k, (0 <= k < n).at n=40A263293
- Triangle read by rows: T(n,k) is the number of graphs with n vertices with edge connectivity k.at n=40A263296
- Numbers n such that Bernoulli number B_{n} has denominator 282.at n=38A272184
- Triangle read by rows: T(n,k) is the number of graphs with n vertices and minimum vertex degree k, (0 <= k < n).at n=40A294217
- Counterexamples to a conjecture of Ramanujan about congruences related to the partition function.at n=23A340757