14819
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
- 4
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 17760
- Proper Divisor Sum (Aliquot Sum)
- 2941
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 12096
- Möbius Function
- -1
- Radical
- 14819
- Omega Function (Ω)
- 3
- 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
- 133
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- 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 irreducible representations of symmetric group S_n for which every matrix has determinant 1.at n=34A045923
- Number of irreducible representations of the symmetric group S_n that have even degree.at n=34A060368
- Number of permutations of 1..n with displacements restricted to {-4,-1,0,2,3}.at n=13A189582
- Number of partitions of n+4 with largest inscribed rectangle having area <= n.at n=31A218625
- Number of n X 2 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4.at n=28A240789
- Number of Dyck paths of semilength n such that the minimal number of peaks over all positive levels equals five.at n=12A288544
- Total number of binary digits used to write all partitions of n in binary notation.at n=21A318756
- MM-numbers of labeled graphs with loops spanning an initial interval of positive integers.at n=26A320461
- MM-numbers of labeled multigraphs with loops spanning an initial interval of positive integers.at n=45A320462
- Triangle of number of 312-avoiding reduced valid hook configurations with n hooks that are on permutations with 2n + k points, for n=1 and 1<=k<=n.at n=13A338368
- Numbers k >= 1 such that A000217(k) divided by A018804(k) is an integer.at n=11A349724
- Number of integer compositions of n whose leaders of anti-runs are strictly increasing.at n=18A374679