14551
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 16
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 2
- Divisor Sum
- 14552
- 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
- 14550
- Möbius Function
- -1
- Radical
- 14551
- 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
- 133
- 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
- yes
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Prime Index
- 1705
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 98 ones.at n=6A031866
- Initial term in sequence of four consecutive primes separated by 3 consecutive differences each <=6 (i.e., when d=2,4 or 6) and forming d-pattern=[6, 4,2]; short d-string notation of pattern = [642].at n=21A078855
- Primes p having exactly one partition into distinct divisors of p+1.at n=35A085499
- Smallest prime with digit product 10^n.at n=2A089298
- Irregular primes whose indices are irregular primes of order one.at n=45A090869
- Index k in A095773 where a string of n identical values occurs.at n=26A096183
- a(n) = Prime(tribonacci(n)).at n=13A113842
- a(n) = a(n-1) + 4*a(n-2) + 6*a(n-3) + 4*a(n-4) + a(n-5).at n=11A114749
- Primes in A132286.at n=32A132287
- Primes of the form 55x^2+10xy+199y^2.at n=25A140632
- Primes of the form 210k + 61.at n=37A140854
- Primes congruent to 28 mod 47.at n=36A142379
- Primes congruent to 47 mod 49.at n=40A142454
- Primes congruent to 29 mod 53.at n=32A142559
- Primes congruent to 37 mod 59.at n=31A142764
- Primes congruent to 33 mod 61.at n=29A142831
- Ulam's spiral (SSW spoke).at n=30A143838
- Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0), ending on the vertical axis and consisting of n steps taken from {(-1, 0), (-1, 1), (0, -1), (1, -1), (1, 0), (1, 1)}.at n=8A151486
- Designed symmetrical sequence with 2*3^n row sum and term: row(n)=3^n; f(n,m) = Floor[(m/Prime[n])*row(n)/2].at n=50A153290
- Designed symmetrical sequence with 2*3^n row sum and term: row(n)=3^n; f(n,m) = Floor[(m/Prime[n])*row(n)/2].at n=49A153290