3025
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 10
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 9
- Divisor Sum
- 4123
- Proper Divisor Sum (Aliquot Sum)
- 1098
- 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
- 2200
- Möbius Function
- 0
- Radical
- 55
- Omega Function (Ω)
- 4
- 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
- yes
- 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
- 66
- 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
- yes
- Achilles Number
- no
- Perfect Power
- yes
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Stirling numbers of second kind S(n,3).at n=9A000392
- Sum of first n cubes; or n-th triangular number squared.at n=10A000537
- a(n) = 1^n + 2^n + ... + 10^n.at n=3A001557
- Numbers of the form 5^i * 11^j.at n=12A003598
- Centered tetrahedral numbers.at n=16A005894
- a(n) = a(n-1) + a(n-3) + a(n-4), a(0) = a(1) = a(2) = 1, a(3) = 2.at n=18A006498
- Squared Fibonacci numbers: a(n) = F(n)^2 where F = A000045.at n=10A007598
- Coordination sequence T1 for Zeolite Code FAU.at n=46A008105
- Coordination sequence T11 for Zeolite Code MFI.at n=35A008163
- Triangle of Stirling numbers of the second kind, S2(n,k), n >= 1, 1 <= k <= n.at n=38A008277
- Reflected triangle of Stirling numbers of 2nd kind, S(n,n-k+1), n >= 1, 1 <= k <= n.at n=42A008278
- Crystal ball sequence for E_7 lattice.at n=2A008398
- Coordination sequence T1 for Zeolite Code -PAR.at n=39A009855
- Coordination sequence T1 for Zeolite Code VSV.at n=35A009914
- In the prime factorization of n, increment odd powers and decrement even powers (multiplicative and self-inverse).at n=54A011262
- Squares of palindromes.at n=14A014186
- Squares of elements in Pascal triangle (by row) that are not 1.at n=46A014719
- Squares of elements to right of central element in Pascal triangle (by row) that are not 1.at n=23A014720
- Squares of elements to left of the central element in Pascal triangle (by row).at n=33A014721
- Squares of odd elements in Pascal triangle that are not 1.at n=17A014725