10979
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 26
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 2
- Divisor Sum
- 10980
- 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
- 10978
- Möbius Function
- -1
- Radical
- 10979
- 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
- 130
- 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
- 1333
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Numbers such that ten iterations of Reverse and Add are needed to reach a palindrome.at n=24A015991
- Numbers k such that the continued fraction for sqrt(k) has period 94.at n=30A020433
- Numerators of continued fraction convergents to sqrt(133).at n=9A041242
- Numerators of continued fraction convergents to sqrt(532).at n=5A042016
- Least prime in A031926 (lesser of 8-twins) whose distance to the next 8-twin is 6*n.at n=42A052353
- Prime number spiral (clockwise, Southwest spoke).at n=18A054568
- Number of unlabeled 3-element intersecting families (with not necessarily distinct sets) of an n-element set.at n=12A055484
- Primes of the form 4*k^2 + 163.at n=44A057604
- Primes p such that p^12 reversed is also prime.at n=29A059705
- Primes which, although they have correct parity, are not in the prime number maze.at n=17A065123
- Record entries in A065191.at n=47A065192
- Numbers which need ten 'Reverse and Add' steps to reach a palindrome.at n=23A065215
- Frobenius number of the numerical semigroup generated by three consecutive hexagonal numbers.at n=10A069758
- Diagonal of A088262.at n=31A088263
- p(k) such that 2*p(k)+3 and 2*p(k+1) + 3 are consecutive primes, where p(i) denotes the i-th prime.at n=42A089527
- A nonsense sequence.at n=8A089689
- a(n) = 997*n + 1009.at n=10A100776
- Square-chain primes (including square-loop primes).at n=33A108659
- Primes for which the weight as defined in A117078 is 9 and the gap as defined in A001223 is 8.at n=34A118922
- Primes p for which 8*p+1 divides 2^p-1.at n=39A122095