5052
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 12
- Digital Root
- 3
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 11816
- Proper Divisor Sum (Aliquot Sum)
- 6764
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 1680
- Möbius Function
- 0
- Radical
- 2526
- 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
- yes
- Narcissistic Number
- no
- Collatz Steps
- 178
- 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
- "Magic" integers: a(n+1) is the smallest integer m such that there is no overlap between the sets {m, m-a(i), m+a(i): 1 <= i <= n} and {a(i), a(i)-a(j), a(i)+a(j): 1 <= j < i <= n}.at n=41A004210
- Coordination sequence T9 for Zeolite Code MFI.at n=45A008172
- Coordination sequence T5 for Zeolite Code MFS.at n=44A008177
- Coordination sequence T3 for Zeolite Code MTN.at n=43A008188
- Coordination sequence T5 for Zeolite Code NON.at n=43A008216
- Coordination sequence for sigma-CrFe, Position Xf.at n=18A009958
- n written in fractional base 10/5.at n=52A024660
- Numbers having period-4 6-digitized sequences.at n=25A031197
- Expansion of (3+2*x^2)/(1-x)^4.at n=17A037236
- Positive numbers having the same set of digits in base 7 and base 10.at n=25A037440
- Number of partitions satisfying cn(1,5) + cn(4,5) < cn(2,5) + cn(3,5).at n=34A039892
- Discriminants of real quadratic number fields K with class number 2 such that the Hilbert class field of K is K(sqrt(3)).at n=31A052477
- Number of partitions of n in which each part occurs an odd number (or zero) times.at n=38A055922
- Coefficients of replicable function number 12b.at n=10A058490
- McKay-Thompson series of class 22B for Monster.at n=46A058568
- McKay-Thompson series of class 44A for Monster.at n=46A058679
- Numbers k such that prime(k+2)-(k+2)*tau(k+2) = prime(k-2)-(k-2)*tau(k-2) where tau(k) = A000005(k) is the number of divisors of k.at n=14A067354
- Average of row n of A082259.at n=26A082262
- Integer part of Gauss's Arithmetic-Geometric Mean M(1,n^4).at n=13A127760
- McKay-Thompson series of class 22B for the Monster group with a(0) = -2.at n=46A132320