5467
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 22
- Digital Root
- 4
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 6912
- Proper Divisor Sum (Aliquot Sum)
- 1445
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 4200
- Möbius Function
- -1
- Radical
- 5467
- 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
- 116
- 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 trees on n nodes with forbidden limbs.at n=8A014273
- Number of 1's in n-th term of A006711.at n=32A022477
- Numbers with exactly 7 1's in their ternary expansion.at n=15A023698
- Quasi-Carmichael numbers to base -5: squarefree composites n such that prime p|n ==> p+5|n+5.at n=2A029565
- Beginning of last prime pattern of length n to appear among positive integers.at n=16A035326
- Beginning of last prime pattern of length n to appear among positive integers.at n=17A035326
- Composite numbers whose prime factors contain no digits other than 1 and 7.at n=23A036307
- Numbers having four 3's in base 5.at n=34A043364
- Numbers having three 4's in base 9.at n=30A043471
- Numbers whose base-3 representation contains no 0's and exactly one 2.at n=35A044990
- Palindromes in factorial base.at n=50A046807
- 3*n^2-2*n+6.at n=43A047915
- a(0) = 1; a(n) = (5*3^(n-1) - 1)/2 for n > 0.at n=8A060816
- Numbers k such that prime(k+3)-(k+3)*tau(k+3) = prime(k)-k*tau(k) where tau(k) = A000005(k) is the number of divisors of k.at n=38A067356
- Number of ways associated with A088959.at n=21A088111
- a(0)=3, a(n) = 3*a(n-1) + 2*(-1)^n.at n=7A096019
- A good sequence of gaps for Shellsort, found by genetic programming.at n=9A112262
- One third of the sum of the first n primes, when an integer.at n=25A112270
- a(n) = 19 + floor( Sum_{j=1..n-1} a(j) / 2 ).at n=14A120144
- a(n) is the number of nonnegative integers k less than 10^n such that the decimal representation of k lacks the digits 1,2,3, at least one of digits 4,5, at least one of digits 6,7 and at least one of digits 8,9.at n=4A126718