10863
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 18
- Digital Root
- 9
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 16848
- Proper Divisor Sum (Aliquot Sum)
- 5985
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 6720
- Möbius Function
- 0
- Radical
- 3621
- Omega Function (Ω)
- 4
- 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
- 99
- 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
- no
- Odd
- yes
Appears in sequences
- Numbers whose set of base-15 digits is {3,4}.at n=16A032839
- Convolution of natural numbers n >= 1 with Fibonacci numbers F(k), k >= 4.at n=13A033960
- Numerators of continued fraction convergents to sqrt(947).at n=7A042832
- Triangles in open triangular matchstick arrangement (triangle minus one side) of side n.at n=35A045947
- Partial sums of second pentagonal numbers with even index (A049453).at n=17A051895
- Expansion of 1/(1-3*x-3*x^2-2*x^3).at n=7A077829
- Numbers m such that numerator of Sum_{k=1..m} 1/(prime(k)-k) is prime.at n=45A092065
- Partial sums of A107947.at n=47A107957
- Number of n X n arrays of squares of integers with every 3X3 subblock summing to 4.at n=3A159201
- Number of n X n arrays of squares of integers with every (n-3)X(n-3) subblock summing to 4.at n=1A159358
- Triangle related to the o.g.f.s. of the right hand columns of A163932 (E(x, m=3, n)).at n=34A163938
- Number of distinct cardinalities of orbits of lattice points under the automorphism group of the n-dimensional integer lattice.at n=35A270950
- G.f. A(x) satisfies: 1 = Sum_{n>=0} ( 1 + x*A(x)^n - A(x) )^n.at n=10A303923
- Numbers k > 2 such that all positive values of k - 2^(2^m) are prime, with integer m >= 0.at n=46A370523
- Cogrowth sequence of the 12-element dicyclic group Dic12 = <S,T | S^6, T^4, STST^3, S^3T^2>.at n=17A377656
- Number of integer partitions of n whose parts do not have choosable sets of strict integer partitions.at n=34A387137