1052
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 8
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 6
- Divisor Sum
- 1848
- Proper Divisor Sum (Aliquot Sum)
- 796
- 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
- 524
- Möbius Function
- 0
- Radical
- 526
- Omega Function (Ω)
- 3
- 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
- 80
- 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
- Generalized class numbers c_(n,1).at n=20A000233
- Primes multiplied by 4.at n=55A001749
- Numbers that are the sum of 9 positive 6th powers.at n=15A003365
- Pentagonal numbers written backwards.at n=41A004163
- Self-convolution of Pell numbers (A000129).at n=8A006645
- a(n) = a(n-1) + a(n-2) + a(n-3).at n=11A007486
- Coordination sequence for hexagonal close-packing.at n=10A007899
- Some permutation of digits is a cube.at n=42A007939
- Noncubes such that some permutation of digits is a cube.at n=32A007940
- Number of non-Abelian metacyclic groups of order 2^n.at n=31A007982
- Coordination sequence T1 for Zeolite Code MON.at n=20A008181
- Coordination sequence T1 for Milarite.at n=20A008256
- Coordination sequence for tridymite, lonsdaleite, and wurtzite.at n=20A008264
- a(0) = 1, a(n) = 42*n^2 + 2 for n>0.at n=5A010023
- a(n) = Sum_{k=1..n-1} ceiling(k^2/n).at n=55A014811
- Powers of cube root of 3 rounded up.at n=19A017984
- Powers of fifth root of 12 rounded up.at n=14A018149
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite VSV = VPI-7 Na26H6[Zn16Si56O144].44H2O starting from a T3 atom.at n=10A019261
- Numbers k such that the continued fraction for sqrt(k) has period 16.at n=45A020355
- Numbers n such that prime(n) mod n <= 10.at n=40A022465