14783
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 23
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 2
- Divisor Sum
- 14784
- Proper Divisor Sum (Aliquot Sum)
- 1
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 14782
- Möbius Function
- -1
- Radical
- 14783
- Omega Function (Ω)
- 1
- Little Omega Function (ω)
- 1
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
- 94
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- yes
- Composite Number
- no
- Semiprime
- no
- Squarefree Number
- yes
- Prime Power
- yes
- Prime Factorization
- no
- Twin Prime
- no
- Mersenne Prime
- no
- Sophie Germain Prime
- yes
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Prime Index
- 1733
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Coordination sequence for MgNi2, Position Mg1.at n=30A009936
- Primes which when converted to base 36 make single letters or English words.at n=45A038842
- Primes p such that googol - p is prime.at n=10A108252
- Numbers k such that A127483(k) = A127483(k+1) - 1 = A127483(k+2) - 2.at n=42A127485
- Primes of the form 2*3*5*7*n+83.at n=36A141570
- Primes congruent to 25 mod 47.at n=34A142376
- Primes congruent to 49 mod 53.at n=30A142579
- Primes congruent to 33 mod 59.at n=30A142760
- Primes congruent to 21 mod 61.at n=27A142819
- Primes p such that continued fraction of (1 + sqrt(p))/2 has period 12 : primes in A146336.at n=15A146357
- Primes of the form 4x^3 + 27y^2, with x>0.at n=38A153636
- Primes of the form 2n^2-9.at n=28A155702
- Primes p such that 2*p^3-+15 are also prime.at n=20A174364
- Primes expressed as the sum of square of digits of all primes.at n=19A181508
- Constant term of the reduction of n-th Fibonacci polynomial by x^2 -> x+1. (See Comments.)at n=15A192232
- Primes of the form 8n^2 - 9.at n=15A201859
- Numbers n such that in Collatz (3x+1) trajectory of n, the number of terms < n equals number of terms > n.at n=33A217731
- Total sum of parts of multiplicity 7 in all partitions of n.at n=39A222735
- a(n) = Sum_{i=1..n} ( Product_{k|i} d(k) ), where d(n) = A000005(n).at n=29A237349
- Primes p which are floor of Root-mean-cube (RMC) of prime(n), prime(n+1) and prime(n+2).at n=9A239941