Properties of the Number 833

Eight Hundred Thirty-Three

Basics

Value: 832 → 833 → 834

Parity: odd

Prime: No

Previous Prime: 829

Next Prime: 839

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 7 ² × 17

Divisors: 1, 7, 17, 49, 119, 833

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101000001

Octal: 1501

Duodecimal: 595

Hexadecimal: 341

Square: 693889

Square Root: 28.861739379323623

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

Octagonal numbers: n*(3·n-2). Also called star numbers. A567

Square array of Delannoy numbers D(i,j) (i >= 0, j >= 0) read by antidiagonals. A8288

Generalized octagonal numbers: k*(3·k-2), k=0, +- 1, +- 2, +-3, ... A1082

Number of strict knapsack partitions of n. A275972

Odd numbers of the form p^1+4k * r², where p is prime of the form 1+4m, r > 1, and gcd(p,r) = 1. (Euler's criteria for odd perfect numbers). A228058

Centered octahedral numbers (crystal ball sequence for cubic lattice). A1845

a(n) = floor(n²/3). A212

11-gonal (or hendecagonal) numbers: a(n) = n*(9·n-7)/2. A51682

a(n) = C(n,1) + C(n,2) + C(n,3), or n*(n² + 5)/6. A4006

Generalized 11-gonal (or hendecagonal) numbers: m*(9·m - 7)/2 with m = 0, 1, -1, 2, -2, 3, -3, ... A195160