9433
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 19
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 2
- Divisor Sum
- 9434
- Proper Divisor Sum (Aliquot Sum)
- 1
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 9432
- Möbius Function
- -1
- Radical
- 9433
- 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
- 34
- 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
- 1168
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- a(n) is the n-th diagonal sum of left justified array T given by A027960.at n=28A027975
- Primes p whose period of reciprocal equals (p-1)/9.at n=7A056214
- Primes p such that |p - q| is a square, where q is the reversal of p.at n=34A059798
- Primes p = prime(k) such that prime(k) + prime(k+5) = prime(k+1) + prime(k+4) = prime(k+2) + prime(k+3).at n=31A064101
- Twin primes belonging to packs of four or more twin pairs.at n=3A068220
- Twin primes belonging to packs of three or more twin pairs.at n=40A069467
- Smallest integer >= 0 of the form x^4 - n^3.at n=41A070928
- Non-palindromic primes which on subtracting their reversal give perfect squares.at n=15A080177
- Smallest prime P such that P# - Mersenne-prime(n) is prime.at n=22A098566
- Duplicate of A056214.at n=7A098676
- Primes from merging of 4 successive digits in decimal expansion of Pi.at n=41A104824
- x such that pi(x)/li(x) is greater than it is for all smaller x > 1.5.at n=39A111203
- Primes p such that there exist three primes q, r and s with p^3=q^3+r^3+s^3.at n=15A114923
- Primes for which the weight as defined in A117078 is 7 and the gap as defined in A001223 is 4.at n=27A119593
- Least increasing sequence of primes equal to determinants of sequence A119838 starting (1,1,1) of continuous blocks of 4 numbers.at n=11A119839
- The prime(n)-th upper twin prime.at n=44A129781
- Six consecutive primes with three sets of twin primes.at n=39A136144
- Six consecutive primes with three sets of twin primes.at n=43A136144
- List of prime quadruplets {p, p+2, p+6, p+8}.at n=45A136162
- Primes of the form a^a + b^b + c^c + d^d + e^e + f^f.at n=22A136294