4532
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 14
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 8736
- Proper Divisor Sum (Aliquot Sum)
- 4204
- 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
- 2040
- Möbius Function
- 0
- Radical
- 2266
- Omega Function (Ω)
- 4
- 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
- 64
- 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
- Coordination sequence T5 for Zeolite Code NES.at n=43A008209
- Number of directed animals on a certain lattice.at n=5A011789
- Coordination sequence T5 for Zeolite Code TER.at n=45A016437
- Expansion of 1/((1-3*x)*(1-8*x)*(1-11*x)).at n=3A018070
- n written in fractional base 7/4.at n=44A024641
- a(n) = (d(n)-r(n))/5, where d = A026049 and r is the periodic sequence with fundamental period (4,1,4,0,1).at n=36A026051
- Denominators of continued fraction convergents to sqrt(597).at n=8A042145
- McKay-Thompson series of class 24H for Monster.at n=22A058578
- Numbers k such that 2^k - 5 is prime.at n=28A059608
- Total number of even parts in all partitions of n.at n=23A066898
- Number of digits in A110774(n).at n=11A110775
- a(n) = 2*n^2 + 15*n.at n=44A139579
- Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 0110-0110-1111 pattern in any orientation.at n=11A147356
- Nonprimes formed by concatenation of the decimal digits of a nonprime and its index.at n=26A154507
- Number of binary strings of length n with no substrings equal to 0000 1001 or 1011.at n=14A164444
- Sizes of successive increasing gaps between 2-pseudoprimes.at n=10A175738
- Number of distinct sets of nonnegative integers with perimeter n, as defined in the comments.at n=38A182372
- Dispersion of A016873, (5k+2), by antidiagonals.at n=50A191704
- Number of ordered triples (w,x,y) with all terms in {1,...,n} and 2w^3<=x^3+y^3.at n=19A211807
- Numbers of the form 9*k^2 + 8*k, k an integer.at n=44A218864