5498
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 26
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 8250
- Proper Divisor Sum (Aliquot Sum)
- 2752
- 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
- 2748
- Möbius Function
- 1
- Radical
- 5498
- Omega Function (Ω)
- 2
- Little Omega Function (ω)
- 2
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
- 41
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- yes
- 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
- Coordination sequence T7 for Zeolite Code MFI.at n=47A008170
- Numbers k such that the continued fraction for sqrt(k) has period 17.at n=31A020356
- Numbers whose set of base-12 digits is {2,3}.at n=22A032812
- Numbers whose base-5 representation contains exactly three 3's and two 4's.at n=12A045306
- Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 17.at n=5A051982
- McKay-Thompson series of class 9c for the Monster group.at n=24A058095
- Fourth column of A046741.at n=10A062124
- Rounded volume of a regular tetrahedron with edge length n.at n=36A071399
- Numbers k such that k = x^2 + y^2 where x is the least primitive root of k. k is the first such number with x increasing in the sequence, x can be found in A082843.at n=6A082842
- Floor (e^(n / log(n))).at n=27A096181
- Arithmetic mean of all n-digit positive multiples of n, rounded down.at n=3A110432
- Triangle T(n,k) = ((-1)^(n+k)/(n+1))*Sum_{j=0..n} (-1)^j*j!*Stirling2(n, j)* binomial(n-j, k)*binomial(n+j, j), read by rows.at n=19A156653
- Integer part of the volume of a regular tetrahedron with edge length n.at n=35A171973
- Number of nondecreasing arrangements of n+2 numbers in 0..8 with the last equal to 8 and each after the second equal to the sum of one or two of the preceding four.at n=15A189325
- Triangle read by rows: T(n,m) (n>=0, 1 <= m <= n+1) = number of unlabeled rigid interval posets with n non-maximal and m maximal elements.at n=25A193344
- A002110(n)-(p[i]+p[i+1]+...+p[i+n-1]), where p[i] is the largest prime such that this is nonnegative.at n=41A196129
- L.g.f.: Sum_{n>=1} (x^n/n) / Product_{d|n} (1 - d*x^n)^d.at n=13A205489
- (A209982)/2.at n=33A209983
- Triangle read by rows: T(n,k) is the number of length-n ascent sequences without flat steps, containing k zeros.at n=71A218757
- Numbers k such that 1 + k + k^3 + k^5 + k^7 + k^9 + ... + k^41 is prime.at n=42A244386