14842
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 19
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 22932
- Proper Divisor Sum (Aliquot Sum)
- 8090
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 7200
- Möbius Function
- -1
- Radical
- 14842
- 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
- 120
- 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
- Numbers k such that the continued fraction for sqrt(k) has period 49.at n=19A020388
- a(n) = floor((3rd elementary symmetric function of 2,3,...,n+3)/(2+3+...+n+3)).at n=21A024178
- Composite numbers k such that digits in k and in juxtaposition of prime factors of k are the same (apart from multiplicity).at n=35A035141
- Number of partitions of n into parts not of the form 11k, 11k+5 or 11k-5. Also number of partitions with at most 4 parts of size 1 and differences between parts at distance 4 are greater than 1.at n=42A035948
- Expansion of (1-x^2)/(1-2*x^2-x^3+x^5).at n=25A052943
- a(n) = 2*n^4 + 2*n^3 + 3*n^2 + 2*n + 1.at n=9A058920
- 4th diagonal of triangle in A059317.at n=43A106058
- Cumulative sum of primes p such that 2^p - 1 is a Mersenne prime.at n=18A109472
- Least multiple of prime(n) ending in digits of n.at n=38A114012
- Equal divisions of the octave with nondecreasing consistency levels.at n=19A117577
- Equal divisions of the octave with nondecreasing consistency limits and distinct approximations for all the ratios in the tonality diamond of that limit.at n=50A117578
- Numbers whose trajectory under the Esucarys map ends at the fixed point 247.at n=17A129133
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 0), (0, -1, 1), (0, 1, 0), (1, 1, -1)}.at n=10A148197
- Number of binary strings of length n with no substrings equal to 0001 0101 or 1011.at n=16A164473
- Number of -6..6 arrays x(0..n+2) of n+3 elements with zero sum and nonzero second and third differences.at n=1A200202
- T(n,k)=Number of -k..k arrays x(0..n+2) of n+3 elements with zero sum and nonzero second and third differences.at n=22A200204
- Number of -n..n arrays x(0..4) of 5 elements with zero sum and nonzero second and third differences.at n=5A200206
- Table of consecutive numbers with the same sum of divisors.at n=19A225757
- Numbers k that divide sigma(k) - sigma(k-1).at n=15A227307
- Numbers k such that sigma(k) = sigma(k-1).at n=9A231546