14323
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 13
- Digital Root
- 4
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 2
- Divisor Sum
- 14324
- 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
- 14322
- Möbius Function
- -1
- Radical
- 14323
- 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
- no
- 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
- 1680
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Sum along upward diagonal of Pascal triangle from halfway point.at n=21A010759
- a(n) = T(2n,n+2), T given by A027948.at n=6A027950
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 94 ones.at n=5A031862
- Partial sums of A014166.at n=11A053739
- Primes such that prime(p) +- pi(p) are simultaneously prime.at n=29A065117
- Final terms of rows of A077321.at n=30A077323
- Numbers k such that k, sigma(k) and phi(k) have the same decimal digits (ignoring multiplicity).at n=19A082059
- 4th column of number array A083075.at n=11A083079
- Primes whose decimal representation is a valid number in base 5 and interpreted as such is again a prime.at n=27A090708
- Smallest of five consecutive primes whose sum of digits is prime.at n=37A106718
- Smallest of six consecutive primes whose sum of digits is prime.at n=16A106719
- Numbers k such that A127483(k) = A127483(k+1) - 1 = A127483(k+2) - 2.at n=41A127485
- Primes for which the period of the reciprocal equals (p-1)/14.at n=14A135073
- Prime numbers p such that p +- ((p-1)/7) are primes.at n=10A137770
- Primes of the form 210k + 43.at n=35A140849
- Primes congruent to 4 mod 43.at n=40A142253
- Primes congruent to 35 mod 47.at n=33A142386
- Primes congruent to 13 mod 53.at n=32A142543
- Primes congruent to 23 mod 55.at n=41A142617
- Primes congruent to 45 mod 59.at n=29A142772