9590
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 23
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 16
- Divisor Sum
- 19872
- Proper Divisor Sum (Aliquot Sum)
- 10282
- 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
- 3264
- Möbius Function
- 1
- Radical
- 9590
- Omega Function (Ω)
- 4
- Little Omega Function (ω)
- 4
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
- 166
- 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
- yes
- Odd
- no
Appears in sequences
- Number of partitions of n into parts not of the form 17k, 17k+5 or 17k-5. Also number of partitions with at most 4 parts of size 1 and differences between parts at distance 7 are greater than 1.at n=35A035966
- Numbers having four 2's in base 6.at n=26A043380
- Numbers n such that n | 7^n + 6^n + 5^n + 4^n + 3^n + 2^n + 1^n.at n=36A056750
- Zero, together with positive numbers k such that prime(k) + k is a square.at n=34A064371
- a(n) = smallest multiple of prime(n) such that a(n) +1 is a multiple of prime(n+1).at n=32A077338
- a(n)=A089551(n)/2.at n=44A089558
- Where records occur in A096287.at n=11A096729
- Numbers n such that n+prime(n) is the square of a prime.at n=8A104911
- 4th diagonal of triangle in A059317.at n=37A106058
- Numbers n such that prime(n) + n is a perfect power.at n=39A107605
- Numbers n such that prime(n) + n is a prime power (A246547).at n=14A109314
- a(n) = 2*n*(4*n-3).at n=35A139271
- Record values in A046641.at n=30A145771
- 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, 0), (-1, 1, -1), (-1, 1, 1), (1, 0, -1), (1, 0, 1)}.at n=8A149168
- 5 times heptagonal numbers: a(n) = 5*n*(5*n-3)/2.at n=28A153785
- a(n) = 686*n - 14.at n=13A157363
- a(n) = 49*n^2 - n.at n=13A157923
- a(n) = 196*n^2 - 2*n.at n=6A158224
- a(n) = 196*n^2 - 14.at n=6A158553
- Number of binary strings of length n with no substrings equal to 0001 0010 or 1100.at n=13A164451