4594
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
- 6894
- Proper Divisor Sum (Aliquot Sum)
- 2300
- 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
- 2296
- Möbius Function
- 1
- Radical
- 4594
- 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
- 59
- 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 LIO.at n=47A008129
- Numbers k such that the continued fraction for sqrt(k) has period 29.at n=10A020368
- Number of partitions of n into parts 4k or 4k+1.at n=55A035362
- Coordination sequence T5 for Zeolite Code STT.at n=45A038415
- Starting positions of strings of 2 3's in the decimal expansion of Pi.at n=33A050222
- Number of partitions of n with parts (with repetitions) forming a division lattice (i.e., closed under GCD and LCM).at n=51A051839
- Number of basic blocks of size 5xn for tilings with square tiles of size up to 5 X 5.at n=12A054858
- Row sums of Fibonomial triangle A010048.at n=8A056569
- Numbers k such that prime(k+1)-(k+1)*tau(k+1) = prime(k-1)-(k-1)*tau(k-1) where tau(k) = A000005(k) is the number of divisors of k.at n=35A067335
- Interprimes (A024675) which are of the form s*prime, s=2.at n=32A075277
- p + P(p) where p is the n-th prime and P(p) is the unrestricted partition number of p.at n=9A098145
- Reversible Smith numbers, i.e., Smith numbers whose reversal is also a Smith number.at n=31A104171
- Semiprimes which are the sum of two pentagonal numbers (A000326) in exactly two different ways.at n=21A120536
- Sum of n and partition number of n.at n=29A133041
- a(n) = 2*n^2 + 12*n + 4.at n=44A154575
- a(n) = A000041(n) + n*A032741(n).at n=29A168015
- Semiprimes s such that both s + 3 and s - 3 are primes.at n=41A176140
- First column of triangle in A176452.at n=15A176485
- Number of (n+1)X(n+1) 0..2 arrays with every 2X2 subblock nonsingular.at n=1A183689
- Number of (n+1) X 3 0..2 arrays with every 2 X 2 subblock nonsingular.at n=1A183691