1144
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
- 2
Divisibility
- Divisor Count
- 16
- Divisor Sum
- 2520
- Proper Divisor Sum (Aliquot Sum)
- 1376
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 480
- Möbius Function
- 0
- Radical
- 286
- Omega Function (Ω)
- 5
- 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
- 106
- 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
- no
- Achilles Number
- no
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- yes
- Odd
- no
Appears in sequences
- Number of primitive n-bead necklaces (turning over is allowed) where complements are equivalent.at n=16A000046
- Generalized divisor function. Number of partitions of n with exactly three part sizes.at n=24A002134
- Number of integral points in a certain sequence of closed quadrilaterals.at n=50A002579
- Number of nonequivalent dissections of a polygon into n triangles by nonintersecting diagonals rooted at a cell up to rotation.at n=7A003441
- Number of nonequivalent dissections of an n-gon into 3 polygons by nonintersecting diagonals up to rotation.at n=21A003451
- Shifts left under Stirling2 transform.at n=6A003659
- If n mod 2 = 0 then n*(n^2-4)/12 else n*(n^2-1)/12.at n=24A006584
- Number of subwords of length n in infinite word generated by a -> aab, b -> b.at n=51A006697
- McKay-Thompson series of class 5a for Monster.at n=15A007253
- Positive even numbers that are not the sum of a pair of twin primes.at n=20A007534
- Triangle a(n,k) of number of M-sequences read by antidiagonals.at n=50A007723
- Coordination sequence T2 for Zeolite Code GOO.at n=23A008112
- Coordination sequence T3 for Zeolite Code MEP.at n=20A008159
- Coordination sequence for quartz.at n=19A008261
- Multiples of 22.at n=52A008604
- Coordination sequence T2 for Zeolite Code -CLO.at n=30A009851
- a(n) = floor(C(n,6)/7).at n=16A011797
- Number of M-sequences m_0,...,m_4 with m_1 < n.at n=4A011820
- a(n) = floor( binomial(n,9)/10 ).at n=16A011846
- a(n) = floor( n*(n-1)*(n-2)/26 ).at n=32A011908