3830
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
- 1
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 6912
- Proper Divisor Sum (Aliquot Sum)
- 3082
- 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
- 1528
- Möbius Function
- -1
- Radical
- 3830
- 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
- 175
- 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 ERI.at n=45A008094
- Coordination sequence T3 for Zeolite Code RTH.at n=43A009895
- Expansion of 1/((1-3x)(1-4x)(1-5x)(1-10x)).at n=3A028029
- Numbers whose set of base-7 digits is {1,4}.at n=38A032819
- a(n) = 2*n^2 + 3*n + 3.at n=43A033816
- Decimal part of a(n)^(1/7) starts with n so that a(n) < a(n+1).at n=25A034072
- Coordination sequence T9 for Zeolite Code STT.at n=41A038424
- Coordination sequence T3 for Zeolite Code STT.at n=41A038426
- Denominators of continued fraction convergents to sqrt(467).at n=8A041891
- Base-9 palindromes that start with 5.at n=13A043032
- Numbers whose base-7 representation contains exactly four 1's.at n=22A043400
- Numbers n such that string 3,0 occurs in the base 10 representation of n but not of n+1.at n=42A044743
- Let Do(n) = A006566(n) = n-th dodecahedral number. Consider all integer triples (i,j,k), j >= k > 0, with Do(i) = Do(j) + Do(k), ordered by increasing i; sequence gives k values.at n=14A053019
- Number of primitive (aperiodic) word structures of length n using a 5-ary alphabet.at n=7A056276
- Number of primitive (aperiodic) palindromic structures using a maximum of five different symbols.at n=16A056479
- Coefficients in expansion of Sum_{n >= 1} x^n/(1-x^n)^4.at n=27A059358
- Numbers k such that reverse(k) is a prime factor of k.at n=40A072299
- Write Pi = 3.d(1)d(2)d(3)... where d(m) is the m-th digit of the decimal expansion of Pi. Then a(n) = m is the smallest integer such that 1/(n+1) < 0.d(m)d(m+1)d(m+2)... < 1/n.at n=48A073597
- Coefficient of x^n of A(x)^n is A005651(n), which is the sum of multinomial coefficients for n.at n=8A088946
- Square spiral of sums of selected preceding terms, starting at 0 followed by 1 (a spiral Fibonacci-like sequence).at n=17A094769