10924
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 16
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 6
- Divisor Sum
- 19124
- Proper Divisor Sum (Aliquot Sum)
- 8200
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 5460
- Möbius Function
- 0
- Radical
- 5462
- Omega Function (Ω)
- 3
- 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
- 117
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- Squarefree Number
- no
- 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 distinct quadratic residues mod 2^n.at n=16A023105
- Number of alternating compositions, i.e., compositions with alternating increases and decreases, starting with either an increase or a decrease.at n=21A025047
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 88 ones.at n=3A031856
- Number of distinct quadratic residues mod 4^n.at n=8A039301
- Expansion of 2*(1-x-x^2)/((1-x)*(1+x)*(1-2*x)).at n=14A052953
- Numbers k such that k | sigma_13(k) - phi(k)^13.at n=20A055707
- a(n)/n^2 is the minimal average squared Euclidean distance of n points to their center of gravity among all configurations of n points on the hexagonal lattice.at n=42A059518
- Smallest of 4 consecutive numbers each divisible by a square.at n=18A070284
- Least of four consecutive numbers which are cubefree and not squarefree, i.e., numbers k such that {k, k+1, k+2, k+3} are in A067259.at n=5A071320
- Sequence A075166 interpreted as binary numbers and converted to decimal.at n=25A075165
- Starts for strings of at least five consecutive nonsquarefree numbers.at n=5A078144
- a(n) = sigma[k](n) - phi(n)^k - d(n)^k for k=3.at n=21A079539
- a(n) = -a(n-1) + 2*a(n-2), a(0)=1, a(1)=2.at n=15A084247
- Expansion of (1-x+2*x^2)/((1+x)*(1-2*x)).at n=14A097073
- Numbers n such that A003313(3n) < A003313(n).at n=3A104699
- Sequence A106456 interpreted as binary numbers and converted to decimal.at n=37A106455
- Numbers k such that A003313(k) = A003313(6*k).at n=3A116461
- Jacobsthal numbers(A001045) + 1.at n=15A128209
- First differences of A130624.at n=13A130625
- Row sums of triangle A135230.at n=14A135231