14803
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
- 1
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 15048
- Proper Divisor Sum (Aliquot Sum)
- 245
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 14560
- Möbius Function
- 1
- Radical
- 14803
- Omega Function (Ω)
- 2
- Little Omega Function (ω)
- 2
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
- 71
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- yes
- Squarefree Number
- yes
- 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
- no
- Odd
- yes
Appears in sequences
- Numbers whose base-11 representation has exactly 5 runs.at n=27A043648
- Nonsquares which are the product of two numbers with the same digits (leading zeros are forbidden).at n=41A072443
- a(n) = prime(n)*prime(n+2).at n=29A090076
- Smallest m such that A098371(m) = n.at n=40A098373
- Composite numbers generated by the Euler polynomial x^2 + x + 41.at n=18A145292
- a(n) = 9*n^2 - 8*n + 2.at n=41A154254
- Members of A038512 of the form k, k+2, k+6, k+8.at n=13A155511
- Numbers that are the product of two distinct primes and they are partial sum of products of two distinct primes.at n=28A168476
- a(n) = prime(n) times the n-th nonnegative noncomposite.at n=31A176098
- Numbers k such that 11^k + 3^k - 1 is prime.at n=8A177030
- a(0) = 1; for n > 0, a(n) = 41*n^2 + 2.at n=19A206399
- Semiprimes generated by the Euler polynomial x^2 + x + 41.at n=18A228183
- Number of partitions of n not containing 4*(number of parts) as a part.at n=34A238492
- S_9 sequence in partition of integers > 1 described in A240521.at n=35A240536
- Composite numbers whose concatenation of their aliquot parts, in descending order, is a palindrome.at n=25A249301
- Sequence of pairwise relatively prime numbers of class P_4 (see comment in A275246).at n=15A275248
- Numbers k such that 447*2^k+1 is prime.at n=33A323193