5024
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 11
- Digital Root
- 2
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 9954
- Proper Divisor Sum (Aliquot Sum)
- 4930
- 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
- 2496
- Möbius Function
- 0
- Radical
- 314
- Omega Function (Ω)
- 6
- 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
- 41
- 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 for sigma-CrFe, Position Xb.at n=18A009960
- a(n) = floor( n*(n-1)*(n-2)/22 ).at n=49A011904
- Fibonacci sequence beginning 2, 7.at n=15A022113
- Integer part of ((4th elementary symmetric function of 2,3,...,n+4)/(2+3+...+n+4)).at n=6A024179
- a(n) = d(n)/2, where d = A026040.at n=28A026041
- Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 35.at n=18A031533
- Number of 5-ary rooted trees with n nodes and height exactly 8.at n=14A036639
- Number of partitions satisfying (cn(0,5) <= cn(2,5) = cn(3,5)).at n=41A036804
- Number of partitions satisfying cn(2,5) + cn(3,5) <= 1.at n=39A039857
- Numerators of continued fraction convergents to sqrt(950).at n=9A042838
- Numbers whose base-3 representation contains exactly four 0's and no 1's.at n=37A044985
- Numbers whose base-3 representation contains exactly four 0's and four 2's.at n=16A045013
- Pisot sequence L(9,10).at n=22A048592
- Numbers k such that A068340(k)=+/-4.at n=4A077032
- Least nontrivial multiple of the n-th prime beginning with 5.at n=36A078289
- Triangle T(n,k) read by rows: T(n,k) = number of cycles of length 2k in the binary n-cube, for n >= 2, k = 2, 3, ..., 2^(n-1).at n=8A085452
- a(0)=2, a(1)=5, a(n+2) = a(n+1) + (-1)^n a(n).at n=30A095795
- a(0)=2, a(1)=5, a(n+2) = a(n+1) + (-1)^n a(n).at n=33A095795
- a(n) = Sum_{i=2..n} A055211(i).at n=39A097590
- Sum of squares of pentanacci numbers (A001591).at n=11A107243