14347
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 19
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 2
- Divisor Sum
- 14348
- 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
- 14346
- Möbius Function
- -1
- Radical
- 14347
- 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
- 76
- 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
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Prime Index
- 1683
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Primes that remain prime through 3 iterations of function f(x) = 2x + 3.at n=26A023273
- Palindromic primes in base 4.at n=33A029972
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 72 ones.at n=18A031840
- Discriminants of imaginary quadratic fields with class number 13 (negated).at n=33A046010
- a(n) = A000994(n+2) - A000995(n+2).at n=11A051139
- Numbers k such that k*2^m-1 are composites for all exponents m in the range 0<=m<=k.at n=31A061154
- Primes p such that q-p = 22, where q is the next prime after p.at n=27A061779
- Take A000040, omit commas: 23571113171923..., select 5-digit primes seen when scanning from left.at n=5A073038
- Primes of the form prime(n)*prime(n+1) - 4.at n=12A092761
- Prime numbers which when written in base 7 have a composite digit-sum.at n=17A096790
- Largest of five consecutive primes the sum of the digits of each of which is prime.at n=36A106717
- Largest of six consecutive primes the sum of the digits of each of which is prime.at n=14A106720
- Largest of seven consecutive primes whose sum of digits is prime.at n=5A106721
- Primes of the form 210k + 67.at n=33A140855
- Primes congruent to 38 mod 41.at n=40A142235
- Primes congruent to 12 mod 47.at n=37A142363
- Primes congruent to 37 mod 53.at n=30A142567
- Primes congruent to 10 mod 59.at n=30A142737
- Primes congruent to 12 mod 61.at n=30A142810
- Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 01110-11111 pattern in any orientation.at n=17A147364