Properties of the Number 705

Seven Hundred Five

Basics

Value: 704 → 705 → 706

Parity: odd

Prime: No

Previous Prime: 701

Next Prime: 709

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 47

Divisors: 1, 3, 5, 15, 47, 141, 235, 705

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011000001

Octal: 1301

Duodecimal: 4A9

Hexadecimal: 2c1

Square: 497025

Square Root: 26.551836094703507

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

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

Number of strict knapsack partitions of n. A275972

Arithmetic derivative of the primorial base exp-function: a(n) = A003415(A276086(n)). A327860

Rhombic matchstick numbers: a(n) = n*(3·n+2). A45944

a(n) = floor(n²/3). A212

The convolution matrix of the double factorial of odd numbers (A001147). A35342

Number of partitions of n into prime power parts (1 excluded). A23894

a(n) = n·prime(n). A33286

Numbers that are the sum of 12 positive 6th powers. A3368

p-INVERT of (1,1,0,0,0,0,...), where p(S) = 1 - 2 S - S². A291382