4667
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 23
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 5040
- Proper Divisor Sum (Aliquot Sum)
- 373
- 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
- 4296
- Möbius Function
- 1
- Radical
- 4667
- 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
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 33
- Smith Number
- no
- 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
- no
- Odd
- yes
Appears in sequences
- Coordination sequence T4 for Zeolite Code AFO.at n=45A008018
- Coordination sequence T1 for Zeolite Code RUT.at n=45A009897
- Every suffix prime and no 0 digits in base 9 (written in base 9).at n=32A024784
- Numbers whose maximal base-6 run length is 4.at n=32A037987
- Numbers having four 3's in base 6.at n=16A043384
- Semiprimes p1*p2 such that p2 > p1 and p2 mod p1 = 8.at n=25A064906
- Number of 3-dimensional polyominoes (or polycubes) with n cells and rotational symmetry group of order exactly 4.at n=20A066281
- Number of digits in A068943.at n=8A068946
- Coefficient of x^2 in the n-th Moebius polynomial (A074586), M(n,x), which satisfies M(n,-1)=mu(n) the Moebius function of n.at n=43A077598
- Right-truncatable semiprimes.at n=40A085733
- Least positive integer that can be represented as sum of a semiprime and a square in exactly n ways.at n=37A101181
- Numbers k such that 11k = 6j^2 + 6j + 1.at n=16A106388
- Connell (3,5)-sum sequence (partial sums of the (3,5)-Connell sequence).at n=57A122796
- Beastly fax numbers: numbers containing the fax number of the Beast (667, one more than its regular number) in their decimal expansion.at n=4A138563
- Let M(n) = maximal value of (n/k)^k over all k = 1, 2, ...; a(n) = floor(M(n)).at n=22A139076
- Numerators of partial sums of a certain alternating series of inverse central binomial coefficients.at n=3A145559
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (0, 1, -1), (1, 0, 1), (1, 1, 1)}.at n=7A150389
- Diagonal sums of exponential Riordan array [1+x^2*sec(x),x], A166378.at n=4A166380
- Discriminants of imaginary quadratic fields with class number 22 (negated).at n=34A171724
- Number of different ways to divide an n X 5 rectangle into subsquares, considering only the list of parts.at n=40A187753