14659
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 25
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 14904
- Proper Divisor Sum (Aliquot Sum)
- 245
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 14416
- Möbius Function
- 1
- Radical
- 14659
- Omega Function (Ω)
- 2
- 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
- 102
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- yes
- 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
- no
- Odd
- yes
Appears in sequences
- Maximal number of pairwise relatively prime polynomials of degree n over GF(2).at n=18A001115
- Numbers that are the sum of 9 nonzero 8th powers.at n=25A003387
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 17 ones.at n=16A031785
- Number of strings of n distinct digits from 1-9 that are the last n digits of a square in base 10.at n=6A036756
- a(n) is the smallest composite number c such that A002110(n) + c is prime.at n=27A038771
- n-th 4k+1 prime times n-th 4k-1 prime.at n=14A048630
- 1000000n+1, 1000000n+3, 1000000n+7, 1000000n+9 are all primes.at n=1A064965
- Last entry (and high point) in segment n of A079051.at n=42A117516
- Coefficients of the sum 1+ x/(1-x) + x^2/(1-x^2) + x^3/ ( (1-x)(1-x^2)) + x^4/ ( (1-x)(1-x^3) ) + x^5/ ( (1-x)(1-x^4) ) + x^5 /((1-x^2)(1-x^3)) + x^6/ ( (1-x)(1-x^2)(1-x^3)) + ...at n=44A178702
- Number of 5-step S, E, and NW-moving king's tours on an n X n board summed over all starting positions.at n=18A187510
- Odd indices n for which A046825(n) is not larger than A046825(n-1).at n=43A214453
- Number of normal patterns matched by integer partitions of n.at n=20A335837
- Number of strict compositions of n with all adjacent parts (x, y) satisfying x < 2y and y < 2x.at n=53A342341