1446
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 15
- Digital Root
- 6
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 2904
- Proper Divisor Sum (Aliquot Sum)
- 1458
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- yes
Derived Values
- Euler's Totient
- 480
- Möbius Function
- -1
- Radical
- 1446
- 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
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 47
- 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
- Number of graphs with n nodes and n-4 edges.at n=12A001432
- Representation degeneracies for Neveu-Schwarz strings.at n=12A005298
- Number of points on surface of octahedron; also coordination sequence for cubic lattice: a(0) = 1; for n > 0, a(n) = 4n^2 + 2.at n=19A005899
- a(n) = n OR n^2 (applied to binary expansions).at n=37A007745
- Coordination sequence T1 for Zeolite Code AFO.at n=25A008015
- Coordination sequence T4 for Zeolite Code AFO.at n=25A008018
- Coordination sequence T1 for Zeolite Code GOO.at n=26A008111
- If a, b in sequence, so is a*b+2.at n=49A009299
- a(0) = 1, a(n) = n^2 + 2 for n > 0.at n=38A010000
- Numbers k such that C(k,3) = C(x,3) + C(y,3) is solvable.at n=39A010330
- Pseudoprimes to base 91.at n=23A020219
- Numbers k such that Fibonacci(k) == 8 (mod k).at n=14A023177
- Number of 8's in all partitions of n.at n=30A024792
- Numbers that are the sum of 3 nonzero squares in exactly 9 ways.at n=33A025329
- Index of 6^n within the sequence of the numbers of the form 5^i*6^j (A025622).at n=50A025715
- Coordination sequence T1 for Zeolite Code ITE.at n=26A027369
- 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 38.at n=0A031536
- Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 38.at n=1A031716
- Numbers whose base-15 expansion has no run of digits with length < 2.at n=19A033028
- Sorted number reached from A033863(n) by Sort-then-add.at n=6A033864