2598
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 24
- Digital Root
- 6
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 5208
- Proper Divisor Sum (Aliquot Sum)
- 2610
- 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
- 864
- Möbius Function
- -1
- Radical
- 2598
- 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
- 146
- 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
- Quadrinomial coefficients.at n=7A005720
- Coordination sequence T1 for Zeolite Code AFS.at n=39A008023
- Coordination sequence T2 for Zeolite Code AFY.at n=42A008030
- Coordination sequence T2 for Zeolite Code JBW.at n=34A008122
- Coordination sequence T4 for Zeolite Code iRON.at n=36A009884
- Coordination sequence for sigma-CrFe, Position Xf.at n=13A009958
- Pisot sequence E(8,55), a(n) = floor(a(n-1)^2/a(n-2) + 1/2).at n=3A010924
- Magic numbers: atoms with full shells containing any of these numbers of electrons are considered electronically stable.at n=22A018227
- a(n) = s(1)*t(n) + s(2)*t(n-1) + ... + s(k)*t(n+1-k), where k = floor((n+1)/2), s = (natural numbers >= 2), t = (Lucas numbers).at n=11A024310
- a(n) = s(1)*t(n) + s(2)*t(n-1) + ... + s(k)*t(n-k+1), where k = [ n/2 ], s = (natural numbers >= 2), t = (Lucas numbers).at n=10A024873
- 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 32.at n=27A031530
- Coordination sequence T11 for Zeolite Code STT.at n=34A038429
- Number of partitions satisfying cn(1,5) <= cn(0,5) and cn(4,5) <= cn(0,5).at n=35A039862
- Base-7 palindromes that start with 1.at n=20A043015
- Numbers having three 0's in base 6.at n=30A043371
- Numbers n such that string 0,6 occurs in the base 9 representation of n but not of n-1.at n=34A044257
- Numbers n such that string 9,8 occurs in the base 10 representation of n but not of n-1.at n=27A044430
- Numbers n such that string 0,6 occurs in the base 9 representation of n but not of n+1.at n=34A044638
- Numbers n such that string 9,8 occurs in the base 10 representation of n but not of n+1.at n=27A044811
- Numbers whose base-4 representation contains exactly one 0 and four 2's.at n=22A045046