1172
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 11
- Digital Root
- 2
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 6
- Divisor Sum
- 2058
- Proper Divisor Sum (Aliquot Sum)
- 886
- 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
- 584
- Möbius Function
- 0
- Radical
- 586
- Omega Function (Ω)
- 3
- 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
- 119
- 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
- Invertible Boolean functions of n variables.at n=2A000653
- Primes multiplied by 4.at n=61A001749
- a(n) = Sum_{k=3..n} (k-1)!*C(n,k)/2.at n=7A002807
- Numbers k such that k*3^k - 1 is prime.at n=10A006553
- a(n) = Sum_{k=1..n-1} k XOR n-k.at n=42A006582
- Number of partitions of 2n with all subsums different from n.at n=15A006827
- Numbers k such that phi(x) = k has exactly 3 solutions.at n=44A007367
- Unique period lengths of primes mentioned in A007615.at n=32A007498
- Coordination sequence T2 for Zeolite Code AFR.at n=26A008020
- Coordination sequence T2 for Zeolite Code FER.at n=21A008107
- Coordination sequence T4 for Zeolite Code FER.at n=21A008109
- Coordination sequence T5 for Zeolite Code MFS.at n=21A008177
- Coordination sequence T5 for Zeolite Code NES.at n=22A008209
- Coordination sequence T4 for Zeolite Code PAU.at n=25A008222
- Coordination sequence T2 for feldspar.at n=23A008255
- Coordination sequence T6 for Zeolite Code DFO.at n=26A009880
- a(n) = floor( n*(n-1)*(n-2)/23 ).at n=31A011905
- Numbers k such that phi(k) + 10 | sigma(k + 10).at n=31A015789
- Expansion of 1/(1-x^6-x^7-x^8).at n=57A017848
- Powers of fifth root of 19 rounded down.at n=12A018168