1186
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 16
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 1782
- Proper Divisor Sum (Aliquot Sum)
- 596
- 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
- 592
- Möbius Function
- 1
- Radical
- 1186
- 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
- 75
- 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 triangular polyominoes (or triangular polyforms, or polyiamonds) with n cells (turning over is allowed, holes are allowed, must be connected along edges).at n=10A000577
- Number of partitions of n into prime parts.at n=54A000607
- Number of symmetrical planar partitions of n (planar partitions (A000219) that when regarded as 3-D objects have just one symmetry plane).at n=24A000784
- Expansion of 1/((1-x)^2*(1-x^2)*(1-x^5)).at n=37A001304
- Numbers that are the sum of 8 positive 5th powers.at n=40A003353
- Related to representations as sums of Fibonacci numbers.at n=26A006133
- Number of diagonally symmetric polyominoes with n cells.at n=14A006748
- Number of solutions to non-attacking reflecting queens problem.at n=13A007631
- Coordination sequence T1 for Zeolite Code AFT.at n=26A008026
- Coordination sequence T5 for Zeolite Code MTT.at n=21A008193
- a(n) = n OR n^2 (applied to ternary expansions).at n=33A008467
- Molien series for A_7.at n=27A008630
- 3x+1 sequence starting at 97.at n=43A008873
- 3x+1 sequence starting at 63.at n=32A008874
- 3x+1 sequence starting at 95.at n=30A008875
- 3x+1 sequence starting at 27.at n=36A008884
- Coordination sequence for Cr3Si, Cr position.at n=9A009928
- Coordination sequence for FeS2-Pyrite, S position.at n=16A009956
- Numbers n such that phi(n) + 8 | sigma(n + 8), where phi = A000010 and sigma = A000203.at n=44A015787
- Coordination sequence T2 for Zeolite Code OSI.at n=23A016431