6382
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
- 9576
- Proper Divisor Sum (Aliquot Sum)
- 3194
- 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
- 3190
- Möbius Function
- 1
- Radical
- 6382
- 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
- 75
- 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
- yes
- Odd
- no
Appears in sequences
- Numbers k such that the continued fraction for sqrt(k) has period 60.at n=26A020399
- Numbers whose least quadratic nonresidue (A020649) is 11.at n=39A025024
- 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 78.at n=22A031576
- Denominators of continued fraction convergents to sqrt(923).at n=9A042785
- Becomes prime after exactly 7 iterations of f(x) = sum of prime factors of x.at n=5A047826
- Becomes prime or 4 after exactly 8 iterations of f(x) = sum of prime factors of x.at n=18A048130
- Open 3-dimensional ball numbers (version 2): a(n) is the number of integer points (i,j,k) contained in an open ball of diameter n, centered at (1/2,0,0).at n=23A053594
- McKay-Thompson series of class 40A for Monster.at n=42A058662
- Expansion of series related to Liouville's Last Theorem: g.f. sum_{t>0} (-1)^(t+1) *x^(t*(t+1)/2) / ( (1-x^t)^8 *product_{i=1..t} (1-x^i) ).at n=8A059825
- a(n) = smallest number greater than a(n-1) having a largest proper divisor that is greater than and coprime to a(n-1); a(1) = 1.at n=31A098144
- Number of partitions of n into parts each of which is used a different number of times.at n=44A098859
- Number of partitions of n into parts without powers of 2.at n=58A101417
- Number of strictly increasing arrangements of 5 nonzero numbers in -(n+3)..(n+3) with sum zero.at n=15A188124
- Triangle of coefficients of polynomials v(n,x) jointly generated with A209763; see the Formula section.at n=51A209764
- Triangle of coefficients of polynomials v(n,x) jointly generated with A209830; see the Formula section.at n=41A209831
- Expansion of Product_{n>=1} (1 + H(x^n)) where H(x) is the g.f. of A000081.at n=12A244519
- Numbers n such that integers n through n+6 and their squares all lack the digit 1 in their decimal expansion.at n=28A255431
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 177", based on the 5-celled von Neumann neighborhood.at n=20A270620
- Numbers n whose Zeckendorf representation is of the form ww, for w a nonempty block of digits.at n=50A286710
- Number of balanced reduced multisystems whose atoms cover an initial interval of positive integers with multiplicities equal to the prime indices of n.at n=43A318846