5854
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
- 4
- Divisor Sum
- 8784
- Proper Divisor Sum (Aliquot Sum)
- 2930
- 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
- 2926
- Möbius Function
- 1
- Radical
- 5854
- Omega Function (Ω)
- 2
- Little Omega Function (ω)
- 2
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
- yes
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 173
- Smith Number
- yes
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- yes
- 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
- Coordination sequence T1 for Zeolite Code DOH.at n=47A008078
- If x and y are terms, so is x*y + 9.at n=33A009350
- [ (4th elementary symmetric function of P(n))/(first elementary symmetric function of P(n)) ], where P(n) = {1, p(1), p(2), ..., p(n-1)}, where p(0) = 1.at n=5A024533
- Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 76.at n=5A031574
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 62 ones.at n=0A031830
- Number of partitions of n into parts 3k and 3k+2 with at least one part of each type.at n=51A035619
- Base-6 palindromes that start with 4.at n=32A043013
- Base-7 palindromes that start with 2.at n=37A043016
- Dimension of the space of weight n cuspidal newforms for Gamma_1( 95 ).at n=18A063368
- Rounded total surface area of a regular icosahedron with edge length n.at n=26A071398
- Interprimes (A024675) which are of the form s*prime, s=2.at n=42A075277
- Number of n-digit base-4 deletable primes.at n=8A096237
- Number of partitions of 2*n into distinct parts with exactly two odd parts.at n=29A096914
- Numbers in base 10 that are palindromic in bases 6 and 7.at n=10A097931
- Expansion of f(-x^4, -x^16) / psi(-x) in powers of x where psi() is a Ramanujan theta function and f(, ) is Ramanujan's general theta function.at n=48A122130
- Number of base 4 circular n-digit numbers with adjacent digits differing by 1 or less.at n=9A124697
- Triangle, read by rows, defined by T(n,k) = T(n-1,k) + T(n,k-1) for nk>0, where T(n,0) = T(n-1,0) + T(n-1,n-1) and T(n,n) = T(n,n-1) for n>0 with T(0,0)=1.at n=34A129577
- Triangle, read by rows, defined by T(n,k) = T(n-1,k) + T(n,k-1) for nk>0, where T(n,0) = T(n-1,0) + T(n-1,n-1) and T(n,n) = T(n,n-1) for n>0 with T(0,0)=1.at n=35A129577
- Main diagonal of triangle A129577.at n=7A129579
- Number of distinct improper 2-coloring of edges for odd-order cyclic graphs.at n=44A131649