11236
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 13
- Digital Root
- 4
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 9
- Divisor Sum
- 20041
- Proper Divisor Sum (Aliquot Sum)
- 8805
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 5512
- Möbius Function
- 0
- Radical
- 106
- Omega Function (Ω)
- 4
- 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
- yes
- 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
- 161
- 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
- yes
- Achilles Number
- no
- Perfect Power
- yes
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- yes
- Odd
- no
Appears in sequences
- Squares of numbers of trees.at n=10A001256
- Representation degeneracies for boson strings.at n=30A005293
- a(n) = (prime(n) - 1)^2.at n=27A005722
- a(n) = (3*n+1)^2.at n=35A016778
- a(n) = (4n + 2)^2.at n=26A016826
- a(n) = (5*n + 1)^2.at n=21A016862
- a(n) = (6*n + 4)^2.at n=17A016958
- a(n) = (7*n + 1)^2.at n=15A016994
- a(n) = (8*n + 2)^2.at n=13A017090
- a(n) = (9*n + 7)^2.at n=11A017246
- a(n) = (10*n + 6)^2.at n=10A017342
- a(n) = (11*n + 7)^2.at n=9A017474
- a(n) = (12*n+10)^2.at n=8A017642
- Numbers k that are the sum of m nonzero squares for all 1 <= m <= k - 14.at n=41A018820
- a(n) is the smallest square that is the sum of n distinct positive squares.at n=30A018936
- Squares with digits in nondecreasing order.at n=19A028820
- Numbers with 9 divisors.at n=32A030627
- Squares which can be rearranged into squares with the same number of digits.at n=23A034289
- Squares with initial digit '1'.at n=26A045784
- Numbers whose sum of divisors and sum of cubes of divisors are relatively prime.at n=33A046659