Properties of the Number -28757

Twenty-Eight Thousand Seven Hundred Fifty-Seven

Basics

Value: -28758 → -28757 → -28756

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 149 × 193

Divisors: 1, 149, 193, 28757

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111000001010101

Octal: -70125

Duodecimal: -14785

Hexadecimal: -7055

Square: 826965049

Square Root: 169.57889019568444

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

Number of n-step three-sided prudent self-avoiding walks ending on the left side of their box. A191826

a(1) = 7; a(n+1) = a(n)-th composite. A25011

Semiprimes whose prime factors are of equal binary length and which differ from each other in exactly three bit positions. A261075

Odd composite numbers which in base 2 contain their largest proper factor as a substring of digits. A63131

Indices of octagonal numbers (A000567) that are also centered heptagonal numbers (A069099). A254855

Composite numbers not divisible by 2, 3, 5 or 7 which in base 2 contain their largest proper factor as a substring. A63138

Composite numbers not divisible by 2 which in base 4 contain their largest proper factor as a substring. A63145

m for which p(m) is the least prime dividing #p(n) + 1, i.e., primorial n-th prime augmented by 1 (A005234). A68488

Number of 3X3X3 triangular 0..n arrays with no element lying outside the (possibly reversed) range delimited by its sw and se neighbors, and every horizontal row having the same average value. A214541

Numbers whose base-13 representation has exactly 5 runs. A43660