5593
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
- 3
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 6912
- Proper Divisor Sum (Aliquot Sum)
- 1319
- 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
- 4416
- Möbius Function
- -1
- Radical
- 5593
- 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
- 67
- 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
- Pseudoprimes to base 93.at n=40A020221
- Number of partitions satisfying 0 < cn(1,5) + cn(4,5) + cn(2,5) + cn(3,5).at n=30A039896
- Numerators of continued fraction convergents to sqrt(914).at n=4A042766
- Sizes of successive balls in D_4 lattice.at n=23A046949
- Generalized sum of divisors function: third diagonal of A060044.at n=33A060045
- a(n) = 2*prime(n)^2 - prime(n+1)^2.at n=21A064051
- Number of winning length n strings with a 7-symbol alphabet in "same game".at n=7A065240
- Start of the first run of exactly n consecutive odd composite numbers.at n=14A075067
- Non-balanced numbers in A015769.at n=42A077803
- Number of compositions of n with first part 4 and no equal adjacent parts; this is column 4 of the array in A096568.at n=20A096572
- Structured tetragonal anti-prism numbers.at n=16A100182
- Nonnegative values x of solutions (x, y) to the Diophantine equation x^2+(x+47)^2 = y^2.at n=9A118675
- Difference between squares of legs of primitive Pythagorean triangles, sorted (with multiplicity).at n=20A127923
- Indices of squares (of primes) in the semiprimes.at n=34A128301
- Positive numbers of the form x^4 - 6 * x^2 * y^2 + y^4 (where x,y are integers).at n=20A135789
- Numbers k such that (k!-6)/6 is prime.at n=20A139201
- Second heptagonal numbers: a(n) = n*(5*n+3)/2.at n=47A147875
- 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, -1), (-1, 0, 0), (0, -1, 1), (0, 1, 0), (1, 1, 0)}.at n=7A150340
- Odd squarefree numbers n such that the cyclotomic polynomial Phi(n,x) has height 4.at n=19A152942
- Number of planar triangular n X n X n nonnegative integer grids with every similarly oriented 4 X 4 X 4 subtriangle summing to 4.at n=4A154042