2932
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 16
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 6
- Divisor Sum
- 5138
- Proper Divisor Sum (Aliquot Sum)
- 2206
- 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
- 1464
- Möbius Function
- 0
- Radical
- 1466
- 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
- 97
- 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
- Number of forests of trees on n labeled nodes.at n=6A001858
- Coordination sequence T6 for Zeolite Code MWW.at n=37A024991
- a(n) = T(2n,n), where T is the array defined in A026082.at n=6A026089
- a(n) = T(n,[ n/2 ]), where T is the array defined in A026082.at n=12A026094
- Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 26.at n=39A031524
- Concatenation of n and n + 3.at n=28A032608
- A038025(n)=1.at n=50A038032
- Coordination sequence T4 for Zeolite Code STF.at n=36A038439
- Numbers n such that string 3,2 occurs in the base 10 representation of n but not of n-1.at n=32A044364
- Numbers n such that string 3,2 occurs in the base 10 representation of n but not of n+1.at n=32A044745
- Discriminants of imaginary quadratic fields with class number 14 (negated).at n=33A046011
- Sum of first n palindromic primes A002385.at n=14A046485
- Handsome numbers (A007532) representable as a sum of any positive powers of their digits in two distinct ways, not counting different powers of duplicated digits as distinct.at n=19A050240
- Coordination sequence T2 for Zeolite Code SFE.at n=36A057318
- Number of k's less than or equal to 10^n such that there are middle divisors of k (A071562).at n=3A071541
- Let b(n)=floor((3/2)^n), c(n)=floor((4/3)^n), d(n)=floor((5/4)^n); sequence gives values of n such that b(n+1)/b(n)=3/2, c(n+1)/c(n)=4/3 and d(n+1)/d(n)=5/4.at n=43A081724
- Antidiagonal sums of table A084287, in which the k-th row is the product of the k-th prime with the antidiagonals of the first k rows of the table.at n=11A084288
- Convolution of odd primes with themselves.at n=11A084370
- First differences of A084449.at n=16A084465
- Sums of successive sums of successive sums of successive sums of successive primes.at n=39A096279