16374
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 21
- Digital Root
- 3
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 32760
- Proper Divisor Sum (Aliquot Sum)
- 16386
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- yes
Derived Values
- Euler's Totient
- 5456
- Möbius Function
- -1
- Radical
- 16374
- 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
- 128
- 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
- yes
- Odd
- no
Appears in sequences
- Expansion of Product_{m>=1} (1+q^m)^(-3).at n=38A022598
- Expansion of (1-x)/(1 - x - 2*x^2 - 2*x^3 + 2*x^4).at n=14A052930
- Numbers missing from A102370.at n=13A102371
- McKay-Thompson series of class 32a for the Monster group.at n=38A107635
- Monotonic ordering of nonnegative differences 2^i-10^j, for 40>= i>=0, j>=0.at n=38A192124
- Monotonic ordering of nonnegative differences 4^i-10^j, for 40>=i>=0, j>=0.at n=20A192171
- 2^n minus the sum of the proper divisors of n.at n=13A242389
- a(n) = 2^n - 10.at n=14A246168
- Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 441", based on the 5-celled von Neumann neighborhood.at n=13A288330
- Number of length-n binary words having no subwords that are abelian fourth powers.at n=18A305003
- T(n,k) is the number of 4-ary strings of length n+1 with k+1 indispensable digits and a nonzero leading digit with 0 <= k <= n.at n=31A340620
- T(n,k) is the number of 4-ary strings of length n+1 with k+1 indispensable digits and a nonzero leading digit with 0 <= k <= n.at n=32A340620