6263
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 17
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 2
- Divisor Sum
- 6264
- 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
- 6262
- Möbius Function
- -1
- Radical
- 6263
- 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
- 111
- 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
- yes
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Prime Index
- 814
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Primes p such that digits of p appear in p^2 and p^3.at n=35A030085
- Primes formed by concatenating n with n+1.at n=8A030458
- Pair up the numbers.at n=31A030656
- [ exp(5/23)*n! ].at n=6A030824
- Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 79.at n=3A031577
- Numerators of continued fraction convergents to sqrt(833).at n=5A042608
- Numbers whose base-5 representation contains exactly three 0's and no 1's.at n=40A045169
- Numbers whose base-5 representation contains exactly three 0's and two 2's.at n=16A045186
- Primes p such that p+6 and p+8 are also primes.at n=43A046138
- Primes whose consecutive digits differ by 3 or 4.at n=21A048415
- p, p+6 and p+8 are all primes (A046138) but p+2 is not.at n=32A049438
- Number of primes between successive Fibonacci numbers exclusive.at n=25A052011
- Primes whose decimal expansion is a concatenation of two or more consecutive increasing numbers (no leading zeros allowed).at n=9A052087
- Primes p such that p-6, p and p+6 are consecutive primes.at n=43A053070
- Primes p such that x^31 = 2 has no solution mod p.at n=24A059225
- Smallest odd prime p such that Q(sqrt(-p)) has class number 2n+1.at n=38A060651
- Number of primes between successive Fibonacci numbers inclusive.at n=26A076777
- 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, 2,6]; short d-string notation of pattern = [626].at n=14A078854
- Primes p such that p+1 is divisible by the digital product (of nonzero digits) of p.at n=39A081982
- Number of primes between successive Fibonacci numbers (including possibly the Fibonacci numbers themselves).at n=25A082602