9754
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 25
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 14634
- Proper Divisor Sum (Aliquot Sum)
- 4880
- 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
- 4876
- Möbius Function
- 1
- Radical
- 9754
- 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
- 135
- 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
- Number of simplicial 4-clusters with n cells.at n=8A007175
- Number of edge-disjoint paths between opposite corners of 3 X n grid.at n=5A013992
- Number of edge-disjoint paths between opposite corners of 4 X n grid.at n=4A013993
- Numbers k such that the continued fraction for sqrt(k) has period 81.at n=6A020420
- Indices of primes in sequence defined by A(0) = 87, A(n) = 10*A(n-1) - 23 for n > 0.at n=6A101068
- Number of monic polynomials with integer coefficients of degree n with all roots on the unit circle; number of products of cyclotomic polynomials of degree n.at n=17A120963
- Number of multiple hierarchies for n labeled elements.at n=5A143463
- 5!*a(n) = number of self-avoiding paths in the 5-cube from 00000 to 11111 and having length 5 + 2*n.at n=4A238107
- Number of partitions of n such that the number of odd parts is a part and the number of even parts is not a part.at n=42A240578