12794
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 23
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 19194
- Proper Divisor Sum (Aliquot Sum)
- 6400
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 6396
- Möbius Function
- 1
- Radical
- 12794
- 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
- 76
- 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
- yes
- Odd
- no
Appears in sequences
- Convolution of Lucas numbers and A014306.at n=18A023624
- OR-convolution of squares A000290 with themselves.at n=26A033459
- Partial sums of A084570.at n=22A084569
- Partial sums of primes that are not Chen primes (starting with 1).at n=37A118483
- Numbers such that the digital sums in bases 3, 4, 5 and 6 all are equal.at n=23A135126
- Numbers such that the digital sums in bases 3, 4, 5, 6 and 7 all are equal.at n=11A135129
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, -1, 0), (0, 0, 1), (0, 1, -1), (1, 0, 1)}.at n=8A150035
- Floor-Sqrt transform of numbers of A051286.at n=22A192685
- a(n) = 4*n^3 - 3*n^2 - 2*n - 1.at n=15A268644
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 382", based on the 5-celled von Neumann neighborhood.at n=30A271541
- Numbers k such that k^2 reversed is a prime and k^2+(k^2 reversed) is a prime.at n=41A306301
- Lychrel numbers k that set a new record for the number of 'Reverse and Add' steps in base 2 needed to reach a Lychrel number m < k (i.e., its seed).at n=11A306481
- Numbers m that divide the alternating sum Sum_{k=1..m} (-1)^(k+1) * usigma(k).at n=11A379924
- Numbers k such that A380459(k) has no divisors of the form p^p, while A003415(k) has such a divisor or is 0.at n=46A380474