5470
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 16
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 9864
- Proper Divisor Sum (Aliquot Sum)
- 4394
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 2184
- Möbius Function
- -1
- Radical
- 5470
- 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
- 160
- 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 n-step self-avoiding walks on f.c.c. lattice from (0,0,0) to (1,2,3).at n=3A005547
- Coordination sequence T3 for Zeolite Code CAS.at n=45A008065
- Coordination sequence for Cr3Si, Cr position.at n=19A009928
- sec(arctan(x)+log(x+1))=1+4/2!*x^2-6/3!*x^3+83/4!*x^4-460/5!*x^5...at n=6A012970
- Magic numbers: atoms with full shells containing any of these numbers of electrons are considered electronically stable.at n=29A018227
- Numbers k such that the continued fraction for sqrt(k) has period 58.at n=38A020397
- Conjectured number of irreducible multiple zeta values of depth n and weight 3n (confirmed up to n=7).at n=37A020999
- Multiplicity of highest weight (or singular) vectors associated with character chi_87 of Monster module.at n=44A034475
- Number of partitions of n with equal number of parts congruent to each of 0 and 1 (mod 4).at n=43A035540
- Base-9 palindromes that start with 7.at n=15A043034
- Numbers which have more different digits than their squares.at n=32A061277
- Dimension of the space of weight n cuspidal newforms for Gamma_1( 100 ).at n=34A063373
- {(Product of terms in row n of A082817) + 1} / n.at n=3A082821
- (n+1)*a(n) equals the (n+1)-th term of the n-th binomial transform of this sequence.at n=5A089918
- Numbers k such that the numerator of Bernoulli(2k) is divisible by the square of 37, the first irregular prime.at n=19A092230
- A Chebyshev transform of Fib(n)^2.at n=13A099495
- Numbers k such that 609 * 10^k - 1 is prime.at n=21A108320
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (-1, 1, 1), (0, -1, 0), (0, 0, 1), (1, 0, -1)}.at n=9A148322
- Half the number of length n integer sequences with sum zero and sum of squares 1458.at n=3A157559
- a(1)=2, a(2)=2, a(n)=a(n-2)+floor(a(n-2)*a(n-1)/(a(n-2)+a(n-1))).at n=38A173091