16692
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 24
- Digital Root
- 6
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 24
- Divisor Sum
- 42336
- Proper Divisor Sum (Aliquot Sum)
- 25644
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 5088
- Möbius Function
- 0
- Radical
- 8346
- Omega Function (Ω)
- 5
- Little Omega Function (ω)
- 4
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
- 128
- 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
- Column 2 of triangle A055907.at n=29A055908
- Number of fusenes with 22 hexagons, C_(2v) symmetry and containing n carbon atoms.at n=15A123288
- Number of partitions of n with distinct numbers of odd and even parts.at n=36A171967
- Number of nondecreasing arrangements of 6 numbers x(i) in -(n+4)..(n+4) with the sum of sign(x(i))*2^|x(i)| zero.at n=35A187990
- Number of partitions of n in which any two parts differ by at most 6.at n=48A218508
- Number of 0..n arrays of length 6 with each element differing from at least one neighbor by 1 or less, starting with 0.at n=28A221685
- Years >= 1801 in which Christmas falls in Sukkot.at n=30A222419
- Number of ways 1/n can be expressed as the sum of four distinct unit fractions: 1/n = 1/w + 1/x + 1/y + 1/z satisfying 0 < w < x < y < z.at n=36A241883
- Numbers missing from A001033 despite satisfying the necessary congruence conditions (see comments).at n=20A274470
- Ordered perimeters p of primitive Pythagorean triangles no side of which is squarefree.at n=30A329392
- a(n) is the number of vertices formed by n-secting the angles of a hexagon.at n=44A335734
- Numbers that are the sum of eight fourth powers in eight or more ways.at n=7A345583
- Numbers that are the sum of eight fourth powers in nine or more ways.at n=1A345584
- Numbers that are the sum of eight fourth powers in exactly nine ways.at n=1A345841
- Number of integer partitions of n whose length (number of parts) is equal to the sum of some submultiset.at n=36A367212