8836
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 25
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 9
- Divisor Sum
- 15799
- Proper Divisor Sum (Aliquot Sum)
- 6963
- 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
- 4324
- Möbius Function
- 0
- Radical
- 94
- Omega Function (Ω)
- 4
- 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
- yes
- 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
- 78
- 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
- yes
- Achilles Number
- no
- Perfect Power
- yes
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- yes
- Odd
- no
Appears in sequences
- a(n) = (3*n+1)^2.at n=31A016778
- a(n) = (4n + 2)^2.at n=23A016826
- a(n) = (5*n + 4)^2.at n=18A016898
- a(n) = (6*n + 4)^2.at n=15A016958
- a(n) = (7*n + 3)^2.at n=13A017018
- a(n) = (8*n+6)^2.at n=11A017138
- a(n) = (9*n + 4)^2.at n=10A017210
- a(n) = (10*n + 4)^2.at n=9A017318
- a(n) = (11*n + 6)^2.at n=8A017462
- a(n) = (12*n+10)^2.at n=7A017642
- Squares such that digits of sqrt(n) are not present in n.at n=30A029784
- Smallest square containing n-th prime as substring.at n=22A029945
- Numbers with 9 divisors.at n=30A030627
- Smallest nontrivial extension of n-th palindrome which is a square.at n=16A030676
- Trajectory of 1 under map n->41n+1 if n odd, n->n/2 if n even.at n=6A033976
- Smallest square starting with a string of n 8's.at n=1A034993
- Numbers k such that phi(k) + sigma(k) is a prime.at n=33A038344
- Non-Cayley-isomorphic circulant self-complementary directed p^2-graphs, indexed by odd primes p.at n=7A038788
- Squares with initial digit '8'.at n=6A045792
- Numbers whose sum of divisors and sum of cubes of divisors are relatively prime.at n=30A046659