7294
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 22
- Digital Root
- 4
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 12528
- Proper Divisor Sum (Aliquot Sum)
- 5234
- 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
- 3120
- Möbius Function
- -1
- Radical
- 7294
- 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
- 163
- 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
- Number of nonseparable planar tree-rooted maps with n edges.at n=7A004304
- a(n) = floor(n*phi^13), where phi is the golden ratio, A001622.at n=14A004928
- a(n) = round(n*phi^13), where phi is the golden ratio, A001622.at n=14A004948
- Expansion of x*(1+x-x^2)/((1-x)^4*(1+x)).at n=42A005744
- Pseudoprimes to base 29.at n=40A020157
- Numbers k such that the continued fraction for sqrt(k) has period 92.at n=14A020431
- a(n) = 2*(n+1) + 3*n + ... + (k+1)*(n+2-k), where k = floor((n+1)/2).at n=40A024305
- Number of labeled servers of dimension 14.at n=3A027401
- 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 84.at n=18A031582
- a(n) = A048141(3*n).at n=46A051061
- Triangle giving numbers of closed plane meanders.at n=24A060972
- Number of nonisomorphic cyclic subgroups of the group S_n X S_n (where S_n is the symmetric group of degree n).at n=43A063183
- a(n) = n*(8*n^2 - 5)/3.at n=14A063523
- Fifth diagonal of triangle A064094.at n=11A064096
- Centered 13-gonal numbers.at n=33A069126
- Numbers n such that A002113(n) is a triangular number.at n=21A101034
- a(1)=1. a(n) = a(n-1) + sum of the squares which are among the first (n-1) terms of the sequence.at n=31A101135
- Even pseudoprimes to base 29.at n=9A130439
- a(0)=0; a(1)=1; a(n) = Sum_{k=1..[sqrt(n)]} a(n-k) for n>=2.at n=18A132915
- Limiting values of A136406: a(n) = A136406(m,m-n) for any m >= 2n.at n=24A137504