10574
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 17
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 16848
- Proper Divisor Sum (Aliquot Sum)
- 6274
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 4960
- Möbius Function
- -1
- Radical
- 10574
- Omega Function (Ω)
- 3
- Little Omega Function (ω)
- 3
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
- yes
- Harshad Number
- yes
- Narcissistic Number
- no
- Collatz Steps
- 78
- 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
- Coordination sequence for Ni2In, Position Ni2.at n=31A009942
- Dimension of the space of weight n cuspidal newforms for Gamma_1( 83 ).at n=37A063356
- 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, -1), (-1, -1, 1), (0, 1, -1), (0, 1, 0), (1, 0, 0)}.at n=9A149822
- Smallest k such that q=2*k*prime(n)^4+b , r=2*k*q^4+c , s=2*k*r^4+d and q, r and s are all prime numbers with b, c and d = -1 or 1.at n=36A225056
- Number of n-digit primes whose sum of digits is 7.at n=26A259144
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 673", based on the 5-celled von Neumann neighborhood.at n=19A273406
- a(n) = A278296(n) - A238132(n).at n=58A278297
- Expansion of Sum_{i>=0} x^(2^i)/(1 - x^(2^i)) / Product_{j>=0} (1 - x^(2^j)).at n=44A281688
- Numbers k such that sigma(k) = sigma(k+19), where sigma(k) is the sum of the divisors of k.at n=12A321533
- Number of integer compositions of n with all distinct even-indexed parts and all distinct odd-indexed parts.at n=20A351018
- Expansion of (1/x) * Series_Reversion( x*(1-x)^2/(1-x-x^2) ).at n=11A366081
- Exponents k where A000120(3^k) - A070939(3^k)/2 reaches a new maximum.at n=31A372099