5968
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 28
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 10
- Divisor Sum
- 11594
- Proper Divisor Sum (Aliquot Sum)
- 5626
- 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
- 2976
- Möbius Function
- 0
- Radical
- 746
- Omega Function (Ω)
- 5
- 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
- 23
- 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
- yes
- Odd
- no
Appears in sequences
- Coordination sequence T7 for Zeolite Code MTT.at n=47A008195
- Define the generalized Pisot sequence T(a(0),a(1)) by: a(n+2) is the greatest integer such that a(n+2)/a(n+1) < a(n+1)/a(n). This is T(8,16).at n=10A018922
- Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite GOO starting with a T2 atom.at n=5A019020
- Binomial transform of Thue-Morse sequence A001285.at n=12A029879
- Sort then Add, a(1)=13.at n=10A033897
- Denominators of continued fraction convergents to sqrt(958).at n=10A042855
- Numbers n such that n^2 contains exactly 8 different digits.at n=33A054036
- a(n) = 4*n^2 - 3*n + 1.at n=39A054552
- Number of primes <= 3^n.at n=10A055729
- Composite numbers k such that the sum of the proper divisors of k not including 1, (Chowla's function, A048050) and their product (A007956) are both perfect squares.at n=20A064180
- a(n) = A064842(n)/2.at n=32A064843
- Centered 17-gonal numbers: (17*n^2 - 17*n + 2)/2.at n=26A069130
- Prime(a(n)) + ... + prime(a(n)+3) is a square = A051395(n)^2.at n=14A072849
- Least integer m such that between m and 2m there are n triangular numbers.at n=45A085762
- Number of primes < 9^n.at n=5A086682
- Expansion of 1/(1-2*x+x^5).at n=13A107066
- Triangle read by rows: T(n,k) (0 <= k <= ceiling(n/2)-2) is the number of (1,1) steps starting at level k in all peakless Motzkin paths of length n (can be easily translated into RNA secondary structure terminology).at n=31A110238
- Numbers k such that k and k^2 together contain all ten digits.at n=14A122477
- Sum of digits of n-th even perfect number.at n=16A138828
- a(n) is the largest number in the n-th row of triangle A140996.at n=14A141019