3182
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 14
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 5016
- Proper Divisor Sum (Aliquot Sum)
- 1834
- 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
- 1512
- Möbius Function
- -1
- Radical
- 3182
- 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
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 105
- 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
- Coordination sequence T2 for Zeolite Code LTN.at n=39A008141
- Coordination sequence for Ni2In, Position Ni2.at n=17A009942
- a(1)=1, a(n) = 14*a(n-1) + n.at n=3A014897
- Number of partitions of n with equal number of parts congruent to each of 0, 1 and 4 (mod 5).at n=49A035574
- Denominators of continued fraction convergents to sqrt(44).at n=12A041075
- Numerators of continued fraction convergents to sqrt(715).at n=5A042376
- Base-6 palindromes that start with 2.at n=30A043011
- (s(n)+7)/10, where s(n)=n-th base 10 palindrome that starts with 3.at n=40A043082
- Numbers having four 2's in base 6.at n=17A043380
- Numbers k such that the string 2,5 occurs in the base 9 representation of k but not of k-1.at n=44A044274
- Numbers n such that string 8,2 occurs in the base 10 representation of n but not of n-1.at n=34A044414
- Numbers n such that string 8,2 occurs in the base 10 representation of n but not of n+1.at n=34A044795
- Take the first n numbers written in base 14, concatenate them, then convert from base 14 to base 10.at n=3A048445
- Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 22.at n=37A051987
- Coefficients of the '3rd-order' mock theta function omega(q).at n=38A053253
- Triangle T(n,k) of n X n binary matrices with k=0..n^2 ones, up to rotational symmetry.at n=39A054772
- Numbers n such that 4*10^n + 1 is prime.at n=11A056806
- An approximation to sigma_{5/2}(n): round( sum_{d|n} d^(5/2) ).at n=24A058273
- An approximation to sigma_{5/2}(n): ceiling( sum_{d|n} d^(5/2) ).at n=24A058274
- Numbers k such that floor(k*e) is a square.at n=34A062268