3277
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 19
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 3420
- Proper Divisor Sum (Aliquot Sum)
- 143
- 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
- 3136
- Möbius Function
- 1
- Radical
- 3277
- Omega Function (Ω)
- 2
- 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
- 43
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- yes
- 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
- no
- Odd
- yes
Appears in sequences
- 10-gonal (or decagonal) numbers: a(n) = n*(4*n-3).at n=29A001107
- Strong pseudoprimes to base 2.at n=1A001262
- Fermat pseudoprimes to base 2, also called Sarrus numbers or Poulet numbers.at n=11A001567
- Divisors of 2^28 - 1.at n=21A003536
- Pseudoprimes to base 7.at n=11A005938
- Euler pseudoprimes: composite numbers n such that 2^((n-1)/2) == +-1 (mod n).at n=7A006970
- Numbers n such that game of n X n Button Madness need have no solution; this lists only the primitive elements of the set.at n=10A007802
- Expansion of (1-x)/(1-2*x+x^2-2*x^3).at n=13A007909
- Expansion of 1/((1-2*x)*(1+x^2)).at n=12A007910
- Coordination sequence T3 for Zeolite Code CAS.at n=35A008065
- Coordination sequence T2 for Zeolite Code LTL.at n=42A008139
- a(n) = (1 - (-4)^n)/5.at n=6A014985
- Triangle of q-binomial coefficients for q=-4.at n=34A015112
- Triangle of q-binomial coefficients for q=-4.at n=29A015112
- Gaussian binomial coefficient [ n,6 ] for q = -4.at n=1A015326
- a(n) = 3*a(n-1) + 4*a(n-2), a(0) = 0, a(1) = 1.at n=7A015521
- Cyclotomic polynomials at x=2.at n=28A019320
- Cyclotomic polynomials at x=4.at n=14A019322
- Fermat pseudoprimes to base 4.at n=24A020136
- Pseudoprimes to base 8.at n=41A020137