17051
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 14
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 6
- Divisor Sum
- 18420
- Proper Divisor Sum (Aliquot Sum)
- 1369
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 15776
- Möbius Function
- 0
- Radical
- 1003
- 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
- 141
- 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
- no
- Odd
- yes
Appears in sequences
- From a problem concerning circulant matrices and Gauss sums.at n=10A007792
- Numerators of continued fraction convergents to sqrt(640).at n=6A042228
- a(n) = 1^n + 3^n + 7^n.at n=5A074509
- Multiples of 17 containing a 17 in their decimal representation.at n=34A121037
- Numbers k that divide the sum of digits of 13^k.at n=36A175525
- Number of permutations of 1..n with displacements restricted to {-5,-4,-2,-1,0,3}.at n=13A189589
- Expansion of (1-x)/((1-2x)(1-4x+x^2)).at n=7A216271
- Numbers n such that sum of squares of digits of n equals the sum of prime divisors of n.at n=36A217390
- Sum of 5th powers of proper divisors of n.at n=20A279364
- Sum of the 5th powers of the odd proper divisors of n.at n=20A352033
- a(n) = n^2 * prime(n).at n=16A356868