14750
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 17
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 16
- Divisor Sum
- 28080
- Proper Divisor Sum (Aliquot Sum)
- 13330
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 5800
- Möbius Function
- 0
- Radical
- 590
- Omega Function (Ω)
- 5
- 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
- 45
- 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
- a(n) = (9*n+1)*(9*n+8).at n=13A001534
- Number of factorization patterns of polynomials of degree n over integers.at n=20A006171
- Coefficients of asymptotic expansion of Ramanujan false theta series.at n=9A007779
- Number of partitions satisfying 0 < cn(0,5) + cn(1,5) + cn(4,5).at n=35A039900
- Number of n-celled axially symmetric polyominoes without holes.at n=17A056879
- Integer part of log(n^n)^(1 + log(1 + log(1 + n))).at n=19A062451
- Nearest integer to log(n^n)^(1 + log(1 + log(1 + n))).at n=19A062452
- Numbers k such that k and k+1 have the same sum of non-unitary divisors (A048146), for A048146(k) > 0.at n=3A064115
- Numbers k such that phi(k) = sigma(k+1) - sigma(k-1).at n=15A066155
- Reduced numerators of the fraction of primes < 10^n that are full reptend primes.at n=5A103362
- 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, 1, 1), (0, 0, -1), (1, 0, 1), (1, 1, -1)}.at n=8A149396
- Central element of a series of 5 successive nonsquarefree numbers.at n=6A188296
- Let p = prime(n). Smallest j such that q = j*2*p^3-1, r = j*p*2*q^2-1, s = j*p*2*r^2-1, and j*p*2*s^2-1 are prime numbers.at n=25A224612
- a(n) = A254118(2^n).at n=9A254120
- Even 14-gonal (or tetradecagonal) numbers.at n=25A270704
- Fibonacci sequence beginning 2, 8.at n=17A294157
- a(n) = 5^(2*n) * [x^n] Product_{k>=1} (1 + 2*x^k)^(1/5).at n=3A370737