Properties of the Number 10649

Ten Thousand Six Hundred Forty-Nine

Basics

Value: 10648 → 10649 → 10650

Parity: odd

Prime: No

Previous Prime: 10639

Next Prime: 10651

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 23 × 463

Divisors: 1, 23, 463, 10649

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100110011001

Octal: 24631

Duodecimal: 61B5

Hexadecimal: 2999

Square: 113401201

Square Root: 103.19399207318224

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

a(n) = n³ + 1. A1093

Semiprimes of the form k³ + 1. A237040

Floor(X/Y) where X = concatenation of the (n+1)-st even number through the (2n)-th even number and Y = concatenation of first n even numbers. A67091

a(n+6) = -a(n+5) + a(n+4) + 3a(n+3) + a(n+2) - a(n+1) - a(n). a(n) = sign(n) if abs(n)<=3. A1945

Beginning with 3, least number such that concatenation of first n terms and its digit reversal both are primes. A111382

Integers that can be expressed as the sum of consecutive primes in exactly 4 ways. A54999

Numbers n such that the decimal number concat(7,n) is a square. A273362

Numbers which are the sum of two positive cubes and divisible by 23. A101806

T(n,k) = number of n X k 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 4,3,2,1,2 for x=0,1,2,3,4. A197242

Wiener index of a benzenoid consisting of a double-step zig-zag chain of n hexagons (n >= 2, s = 2123; see the Gutman et al. reference). A193395