12634
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
- 18954
- Proper Divisor Sum (Aliquot Sum)
- 6320
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 6316
- Möbius Function
- 1
- Radical
- 12634
- 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
- 125
- 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
- Number of bipartite partitions.at n=16A002767
- Numbers k such that the continued fraction for sqrt(k) has period 41.at n=24A020380
- Number of ways to cut a 2 X n rectangle into rectangles with integer sides.at n=7A034999
- McKay-Thompson series of class 50a for Monster.at n=62A058703
- a(n) = A055086(n!).at n=10A078160
- a(0)=1; a(n) = sigma_1(n) + sigma_2(n) + sigma_3(n).at n=22A092347
- Difference between the n-th partial sum of the squares (A000330) and the n-th partial sum of the primes (A007504).at n=34A108753
- Array read by antidiagonals: number of ways of dividing an n X m rectangle into integer-sided rectangles.at n=29A116694
- Array read by antidiagonals: number of ways of dividing an n X m rectangle into integer-sided rectangles.at n=34A116694
- Numbers whose fifth powers are closer to cubic numbers than square numbers.at n=5A117594
- Main diagonal of array A[k,n] = n-th sum of k consecutive k-gonal numbers, k>2.at n=9A130424
- a(n) = 361*n - 1.at n=34A158308
- Numbers n such that n^5 and a cube are between consecutive squares.at n=13A173341
- a(n) is the largest term in period of continued fraction expansion of square root of n!.at n=9A218088
- Number of ways to cut a 7 X n rectangle into rectangles with integer sides.at n=2A220300
- Table a(m,n) read by antidiagonals, m, n >= 1, where a(m,n) is the number of divide-and-conquer partitions of an m X n rectangle into integer sub-rectangles.at n=29A222659
- Table a(m,n) read by antidiagonals, m, n >= 1, where a(m,n) is the number of divide-and-conquer partitions of an m X n rectangle into integer sub-rectangles.at n=34A222659
- Smaller of two consecutive semiprimes which are anagrams of each other.at n=7A228135
- Number of not necessarily connected sensed combinatorial maps with n edges.at n=6A268558
- Number of length-n 0..4 arrays with no repeated value equal to the previous repeated value, with new values introduced in sequential order.at n=8A268952