5514
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
- 2
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 11040
- Proper Divisor Sum (Aliquot Sum)
- 5526
- 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
- 1836
- Möbius Function
- -1
- Radical
- 5514
- 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
- 129
- 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 2-factors in K_4 X P_n.at n=3A003770
- Coordination sequence T1 for Zeolite Code BIK.at n=46A008047
- Coordination sequence T2 for Scapolite.at n=47A008263
- Coordination sequence for NiAs(2), As position.at n=35A009945
- Coordination sequence for NiAs(2), Ni position.at n=35A009946
- Number of partitions satisfying 0 < cn(1,5) + cn(2,5) + cn(3,5) and 0 < cn(4,5) + cn(2,5) + cn(3,5).at n=30A039901
- Numbers whose base-4 representation contains exactly three 1's and three 2's.at n=35A045103
- a(n) = 4*n^2 - 7*n + 4.at n=37A054567
- McKay-Thompson series of class 21A for Monster.at n=20A058563
- Expansion of ((eta(q)eta(q^15))/(eta(q^3)eta(q^5)))^3 in powers of q.at n=47A095123
- a(n)=a(n-1)+sum of digits(a(n-1))*sum of digits(a(n-2)).at n=26A108720
- Lesser of twin admirable numbers: k such that k and k+2 are both admirable numbers.at n=22A109730
- Number of permutations of length n which avoid the patterns 1324, 2431, 4123.at n=8A116830
- 6 times centered hexagonal numbers: 18*n*(n+1) + 6.at n=17A164016
- Values n such that n and n+1 are both in A037073.at n=20A173167
- Sums of 3 consecutive semiprimes.at n=22A173968
- Sums of three consecutive numbers each of which is the product of two distinct primes and each of which has no exponent greater than one for either of its two prime factors.at n=20A173969
- Numbers m such that the sum of the first k odd primes = m-th odd prime.at n=15A179321
- Numbers that match polynomials over {0,1} that have a factor containing 3 as a coefficient; see Comments.at n=6A208181
- Number of (w,x,y,z) with all terms in {1,...,n} and w^3<=x^3+y^3+z^3.at n=9A212098