11322
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 9
- Digital Root
- 9
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 24
- Divisor Sum
- 26676
- Proper Divisor Sum (Aliquot Sum)
- 15354
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 3456
- Möbius Function
- 0
- Radical
- 3774
- Omega Function (Ω)
- 5
- 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
- yes
- Harshad Number
- yes
- Narcissistic Number
- no
- Collatz Steps
- 37
- 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
- Expansion of x^3*(5-2*x)*(1-x^3)/(1-x)^4.at n=49A000338
- A Fielder sequence.at n=13A001649
- Number of partitions of floor(7n/2) into n nonnegative integers each no more than 7.at n=18A001979
- a(n) = a(n-1) + a(n-2) + 1, with a(0)=3, a(1)=8.at n=16A022407
- Convolution of natural numbers >= 2 and natural numbers >= 3.at n=36A023545
- Number of days in n years (n=4 is the first leap year).at n=30A033171
- a(n) = floor( n^e ), e = 2.718281828...at n=30A061293
- Numbers k such that sigma(k) = Sum_{j|k, j<k} sigma(j).at n=2A066218
- Smallest of 4 consecutive numbers each divisible by a square.at n=20A070284
- Least of four consecutive numbers which are cubefree and not squarefree, i.e., numbers k such that {k, k+1, k+2, k+3} are in A067259.at n=6A071320
- Starting with 1, each number is the previous number plus the product of the index number and the sum of the digits of the previous number.at n=35A113904
- Numbers k such that tau(k) = tau(k+1) mod 691, where tau is Ramanujan's tau function A000594.at n=13A121733
- Numbers k such that the sum of the Carmichael lambda functions of the divisors is a proper divisor of k.at n=13A131492
- Partial sums of A051941.at n=16A136105
- a(n) = n*(2*n^2 + 5*n + 3).at n=17A163815
- Squares in lunar arithmetic in base 4 written in base 4.at n=30A171460
- Squares in lunar arithmetic in base 5 written in base 5.at n=42A171564
- Number of strictly increasing arrangements of n numbers in -(2n-2)..(2n-2) with sum zero.at n=6A188174
- Number of strictly increasing arrangements of n numbers in -(n+5)..(n+5) with sum zero.at n=6A188179
- Number of strictly increasing arrangements of 7 numbers in -(n+5)..(n+5) with sum zero.at n=6A188185