8322
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 15
- Digital Root
- 6
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 16
- Divisor Sum
- 17760
- Proper Divisor Sum (Aliquot Sum)
- 9438
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 2592
- Möbius Function
- 1
- Radical
- 8322
- Omega Function (Ω)
- 4
- Little Omega Function (ω)
- 4
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
- 65
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- Squarefree Number
- yes
- 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
- Coordination sequence for NiAs(2), As position.at n=43A009945
- Coordination sequence for NiAs(2), Ni position.at n=43A009946
- Expansion of 1/(1-x^7-x^8-x^9-x^10-x^11-x^12-x^13-x^14-x^15).at n=53A017864
- Base-6 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,2,3.at n=5A037676
- Base-4 palindromes that start with 2.at n=44A043004
- Base-8 palindromes that start with 2.at n=20A043022
- Numbers whose base-4 representation contains exactly four 0's and no 1's.at n=34A045033
- Numbers whose base-4 representation contains exactly four 0's and three 2's.at n=3A045060
- Iterated procedure 'composite k added to sum of its prime factors reaches a prime' yields 7 skipped primes.at n=42A050774
- A081254-A072762.at n=20A101333
- a(n) = Sum_{k=1..n} k*(prime(k) - k).at n=17A110477
- 3*Volume of the root-n Waterman polyhedron as defined in A119870.at n=41A119873
- A106486-encodings of combinatorial games with value -1.at n=18A125993
- Where records occur in A127913.at n=30A129415
- Records in A152968.at n=43A152973
- a(n) = (2*n + 1)*(5*n + 6).at n=28A153127
- 6 times centered hexagonal numbers: 18*n*(n+1) + 6.at n=21A164016
- Second edge diagonal of table A176577. (The first edge diagonal is A099627).at n=25A176575
- Base-2 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,0,0,0,0.at n=13A195904
- A(n,k) is the n-th derivative of f_k at x=1, and f_k is the k-th of all functions that are representable as x^x^...^x with m>=1 x's and parentheses inserted in all possible ways; square array A(n,k), n>=0, k>=1, read by antidiagonals.at n=61A215703