4614
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 15
- Digital Root
- 6
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 9240
- Proper Divisor Sum (Aliquot Sum)
- 4626
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- yes
Derived Values
- Euler's Totient
- 1536
- Möbius Function
- -1
- Radical
- 4614
- 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
- 152
- 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 stacks, or arrangements of n pennies in contiguous rows, each touching 2 in row below.at n=27A001524
- Coordination sequence T1 for Zeolite Code LTN.at n=47A008140
- Coordination sequence T4 for Zeolite Code VET.at n=41A009905
- Expansion of Product_{m>=1} (1+x^m)^9.at n=6A022574
- Numbers k such that Fibonacci(k) == 8 (mod k).at n=36A023177
- Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 66.at n=22A031564
- Number of partitions satisfying cn(2,5) <= cn(0,5) and cn(3,5) <= cn(0,5).at n=36A039863
- Numbers whose base-3 representation contains exactly three 0's and no 1's.at n=39A044980
- Coordination sequence T2 for Zeolite Code SFE.at n=45A057318
- Numbers k such that phi(k) = phi(sigma(k)-k).at n=47A067880
- Sum of factorials of digits of n equals the largest prime factor of n.at n=9A074257
- Number of permutations of length n, in which all monotone subsequences of length 4 are descending or all such subsequences are ascending, containing the minimum number of such subsequences subject to that constraint.at n=13A079105
- Numbers k such that k^2+1 and (k+2)^2+1 are both prime; twin k^2+1 primes.at n=43A096012
- a(n) = Sum_{k + l*m <= n} (k + l*m), with 0 <= k,l,m <= n.at n=13A106846
- Triangle read by rows: T(n,k) is the number of binary sequences of length n containing k subsequences 0110 (n,k >= 0).at n=43A118890
- a(n) = sum of the first n primes which are coprime to n.at n=46A125902
- Number of species of connected separated Latin bi-trades of size n.at n=15A133165
- Omit first term from A160539 and divide by 7.at n=8A160549
- Polynomial expansion of p(x)=1/(1 - 3 x + 2 x^2 + 2 x^3 - 4 x^4 + 4 x^5 - 2 x^6 - 2 x^7 + 3 x^8 - x^9 - x^17 + 3 x^18 - 2 x^19 - 2 x^20 + 4 x^21 - 4 x^22 + 2 x^23 + 2 x^24 - 3 x^25 + x^26).at n=26A164787
- Euler transform of Fibonacci numbers.at n=14A166861