11134
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 10
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 17640
- Proper Divisor Sum (Aliquot Sum)
- 6506
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 5256
- Möbius Function
- -1
- Radical
- 11134
- 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
- yes
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 236
- 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
- From a counter moving problem.at n=17A004138
- Coordination sequence for Cr3Si, Cr position.at n=27A009928
- a(0) = 1, a(n) = 23*n^2 + 2 for n>0.at n=22A010013
- Exponential convolution of Catalan numbers with themselves.at n=7A014330
- Numbers k such that the continued fraction for sqrt(k) has period 96.at n=26A020435
- a(n) = floor( e * 2^n ).at n=12A027437
- Number of partitions of n with equal nonzero number of parts congruent to each of 0, 1 and 4 (mod 5).at n=59A035584
- Positive numbers having the same set of digits in base 7 and base 10.at n=29A037440
- Numbers k such that k and its reversal are both multiples of 19.at n=31A062907
- Non-palindromic number and its reversal are both multiples of 19.at n=21A062916
- a(n) = number of m such that A080737(m) <= 2n.at n=39A080740
- Numbers k such that (sum of base-2 digits of k) = (sum of base-10 digits of k) = 10.at n=10A152207
- Lexicographically earliest increasing sequence which lists the positions of the zero digits in the sequence.at n=26A167519
- Collatz trajectory starting at 3711.at n=1A179623
- Numbers n such that 2*n + {3, 5, 9, 11} are all primes.at n=20A222960
- Number of (n+1)X(2+1) 0..2 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column.at n=3A251461
- Number of (n+1)X(4+1) 0..2 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column.at n=1A251463
- T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column.at n=11A251467
- T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column.at n=13A251467
- The integer k that minimizes |k/2^n - e|.at n=12A293338