12364
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
- 12
- Divisor Sum
- 23688
- Proper Divisor Sum (Aliquot Sum)
- 11324
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 5600
- Möbius Function
- 0
- Radical
- 6182
- Omega Function (Ω)
- 4
- Little Omega Function (ω)
- 3
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
- 63
- 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
- Numbers k such that the continued fraction for sqrt(k) has period 96.at n=31A020435
- Number of homeomorphically irreducible general graphs on 4 labeled nodes and with n edges.at n=8A060579
- a(n) = C(n+6, 6) - n - 1.at n=11A062989
- a(0)=0; a(1)=2. Slowest increasing sequence where every digit "d" has a copy of itself in a(n+d).at n=22A102150
- Maximal length of rook tour on an n X n+1 board.at n=25A152132
- Maximal length of rook tour on an n X n+3 board.at n=24A152134
- Number of ways to place zero or more nonadjacent 1,0 1,1 2,0 3,0 4,0 5,0 6,1 polyhexes in any orientation on a planar nXnXn triangular grid.at n=7A155331
- Number of ways prime(n) can be expressed as the sum of distinct smaller noncomposites.at n=46A215966
- Numbers k such that 25*k+36 is a square.at n=44A222964
- a(n) = n * Sum_{k prime<=n} k.at n=43A301707
- Number of odd parts in the partitions of n into 10 parts.at n=37A309660
- Number of words of length n, over the alphabet {a,b,c}, which have an odd number of a's and the number of b's plus the number of c's is less than or equal to 3.at n=22A342159
- Number of vertex cuts in the n-Möbius ladder.at n=6A356829
- Number of incomplete integer partitions of n, meaning not every number from 0 to n is the sum of some submultiset.at n=41A365924
- Expansion of Product_{k>=1} 1/((1 - x^(k^2))*(1 - x^k)).at n=24A369520