11347
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 16
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 12976
- Proper Divisor Sum (Aliquot Sum)
- 1629
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 9720
- Möbius Function
- 1
- Radical
- 11347
- Omega Function (Ω)
- 2
- 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
- 205
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- yes
- 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
- no
- Odd
- yes
Appears in sequences
- Number of nonzero elements in the character table of the symmetric group S_n.at n=13A006908
- Gaps of 2 in sequence A038593 (lower terms).at n=16A038643
- Smallest number m with nonzero digits such that A046810(m)=n.at n=20A046813
- Consider the family of ordinary multigraphs. Sequence gives the triangle read by rows giving coefficients of polynomials arising from enumeration of those multigraphs on n edges.at n=39A098233
- Semiprimes in A003215.at n=24A113530
- a(n) = 12*n^2 + 18*n + 7.at n=30A154105
- Cuban composites: composite numbers equal to the difference of two consecutive cubes.at n=31A159961
- Number of ways to write n as the root-mean-square (RMS) of a set of distinct primes.at n=53A163974
- a(n) = A168174(n)-10^12.at n=15A168248
- Number of ordered triples (w,x,y) with all terms in {1,...,n} and w^3 >= x^3 + y^3.at n=34A211651
- a(n) is (apparently) the largest number k whose Collatz (or '3x+1') trajectory includes the number k + n.at n=32A303876
- Numbers that are the sum of eight fourth powers in exactly six ways.at n=33A345838
- Zeroless analog of tetranacci numbers.at n=27A371916