11763
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
- 3
Divisibility
- Divisor Count
- 6
- Divisor Sum
- 17004
- Proper Divisor Sum (Aliquot Sum)
- 5241
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 7836
- Möbius Function
- 0
- Radical
- 3921
- 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
- 50
- 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
- Denominators of continued fraction convergents to sqrt(545).at n=8A042043
- Number of rooted trees with a forbidden limb of length 5.at n=12A052328
- Positive numbers whose product of digits is 7 times their sum.at n=29A062384
- Numbers n such that p = n^2 + 2, p+2 and p+6 are consecutive primes.at n=21A086380
- Numbers n such that (n+j) mod (2+j) = 1 for j from 0 to 6 and (n+7) mod 9 <> 1.at n=9A096025
- Fixed points of permutation A071661/A071662.at n=34A126312
- Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having height k (1 <= k <= n).at n=47A129161
- 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, -1, 1), (-1, 0, 1), (1, 0, -1), (1, 0, 1), (1, 1, 0)}.at n=7A150780
- Row sums of the central coefficients triangle (A163771).at n=7A163774
- Irregular symmetric triangle of coefficients T(n,k) of the polynomials p(n,x) = Sum_{k=0..n} binomial(n+1,k)*(1+x)^(2*k)*(-x)^(n-k) for 0 <= k <= 2*n.at n=56A264766
- Binomial(n,4) - A290447(n).at n=35A290461
- Numbers k such that k and k + 1 are both binary Smith numbers (A278909).at n=42A331464
- a(n) begins the first run of exactly n consecutive binary Smith numbers (A278909).at n=3A331465
- Successive records of function f(x) = log(abs(pi(x) - R(x)))/log(x) where pi(x) is the number of primes <= x and R(x) is Riemann's prime counting function.at n=29A353055
- Number of integer partitions of n with origin-to-boundary graph-distance equal to 4.at n=53A384562
- Number of 4 element sets of distinct integer sided rectangles that fill an n X n square.at n=28A387171