10816
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
- 21
- Divisor Sum
- 23241
- Proper Divisor Sum (Aliquot Sum)
- 12425
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 4992
- Möbius Function
- 0
- Radical
- 26
- Omega Function (Ω)
- 8
- 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
- yes
- 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
- yes
- Narcissistic Number
- no
- Collatz Steps
- 55
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- Squarefree Number
- no
- Prime Power
- no
- Prime Factorization
- no
- Twin Prime
- no
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- yes
- Achilles Number
- no
- Perfect Power
- yes
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- yes
- Odd
- no
Appears in sequences
- Bisection of A002470.at n=15A002286
- Glaisher's function W(n).at n=31A002470
- a(n) = (3n+2)^2.at n=35A016790
- a(n) = (4*n)^2.at n=26A016802
- a(n) = (5*n + 4)^2.at n=20A016898
- a(n) = (6*n + 2)^2.at n=17A016934
- a(n) = (7*n + 6)^2.at n=14A017054
- a(n) = (8*n)^2.at n=13A017066
- a(n) = (9*n + 5)^2.at n=11A017222
- a(n) = (10*n + 4)^2.at n=10A017318
- a(n) = (11*n + 5)^2.at n=9A017450
- a(n) = (12*n + 8)^2.at n=8A017618
- Numbers k that are the sum of m nonzero squares for all 1 <= m <= k - 14.at n=39A018820
- Discriminants of totally complex sextic fields (negated).at n=3A023687
- Let r and s be consecutive Fibonacci numbers. Sequence is r^4, r^3 s, r^2 s^2, and r s^3.at n=18A031923
- Numbers whose set of base-15 digits is {1,3}.at n=26A032922
- Numbers that can be expressed as the product of two 3-digit numbers in at least one way.at n=24A033829
- Squares that are a difference between 2 positive cubes.at n=3A038596
- Squares that are the sum of the divisors of some number.at n=38A038688
- Numbers ending with '6' that are the difference of two positive cubes.at n=38A038861