4833
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 18
- Digital Root
- 9
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 7200
- Proper Divisor Sum (Aliquot Sum)
- 2367
- 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
- 3204
- Möbius Function
- 0
- Radical
- 537
- 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
- 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
- 72
- 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
- Coordination sequence T1 for Coesite.at n=37A008267
- Numbers n such that phi(n) * sigma(n) + 9 is a perfect square.at n=42A015728
- Conjectured formula for irreducible 5-fold Euler sums of weight 2n+13.at n=32A019450
- Numbers k such that the continued fraction for sqrt(k) has period 48.at n=37A020387
- a(n) = 1*t(n) + 2*t(n-1) + ... + k*t(n+1-k), where k=floor((n+1)/2) and t = A008578 ({1} U primes).at n=24A023862
- a(1) = 7; a(n+1) = a(n)-th nonprime, where nonprimes begin at 0.at n=28A025002
- Numbers that are the sum of 3 positive cubes in exactly 2 ways.at n=43A025396
- Numbers whose square has its digits in nondecreasing order.at n=40A028819
- Lucky numbers with size of gaps equal to 14 (upper terms).at n=23A031897
- Number of ways to partition n elements into pie slices of different sizes allowing the pie to be turned over.at n=31A032228
- Weigh transform of A007561.at n=11A035079
- Number of partitions of n into parts 4k+1 and 4k+3 with at least one part of each type.at n=52A035625
- Coordination sequence T9 for Zeolite Code STT.at n=46A038424
- Numbers whose base-5 representation contains exactly two 1's and three 3's.at n=28A045243
- Number of rooted identity trees with n nodes and 4 leaves.at n=9A055329
- Numbers k such that k | 5^k + 4^k + 3^k + 2^k + 1^k.at n=31A056741
- Number of Catalan objects of size n fixed by Catalan Automorphism A057511/A057512 (deep rotation of general parenthesizations/plane trees).at n=22A057546
- a(n) = 3^n mod n^3.at n=23A066607
- Schroeder pseudoprimes: Composites k that divide the k-th Schroeder number A001003(k-1).at n=12A075764
- Sum of even-indexed primes.at n=32A077126