1328
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 14
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 10
- Divisor Sum
- 2604
- Proper Divisor Sum (Aliquot Sum)
- 1276
- 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
- 656
- Möbius Function
- 0
- Radical
- 166
- 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
- 114
- 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
- a(n) is the number of compositions of n in which the maximal part is 3.at n=13A000100
- a(n) = n^3 - floor( n/3 ).at n=11A002901
- Numbers which are the sum of 3 nonzero 4th powers.at n=34A003337
- Number of unlabeled connected interval graphs with n nodes.at n=7A005976
- Number of graceful permutations of length n.at n=12A006967
- Coordination sequence T3 for Zeolite Code AEL.at n=24A008006
- Coordination sequence T7 for Zeolite Code MTT.at n=22A008195
- Coordination sequence T4 for Zeolite Code NON.at n=22A008215
- Increasing length runs of consecutive composite numbers (starting points).at n=8A008950
- a(n) = floor( n*(n-1)*(n-2)/8 ).at n=23A011890
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite BOG = Boggsite Na4Ca7[Al18Si78O192].74H2O starting with a T5 atom.at n=10A019079
- Discriminants of quartic fields with 2 complex conjugates (negated).at n=23A023681
- a(n) = 11^n - n.at n=3A024128
- Index of 10^n within the sequence of the numbers of the form 8^i*10^j.at n=48A025746
- a(n) = T(2n, n-2), T given by A026758.at n=4A026761
- Smallest start for a run of at least n composite numbers.at n=25A030296
- Smallest start for a run of at least n composite numbers.at n=24A030296
- Smallest start for a run of at least n composite numbers.at n=23A030296
- Smallest start for a run of at least n composite numbers.at n=22A030296
- Smallest start for a run of at least n composite numbers.at n=21A030296