Properties of the Number -274911

Two Hundred Seventy-Four Thousand Nine Hundred Eleven

Basics

Value: -274912 → -274911 → -274910

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 7 × 13 × 19 × 53

Divisors: 1, 3, 7, 13, 19, 21, 39, 53, 57, 91

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1000011000111011111

Octal: -1030737

Duodecimal: -113113

Hexadecimal: -431df

Square: 75576057921

Square Root: 524.3195590477243

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

Doubly triangular numbers: a(n) = n*(n+1)*(n²+n+2)/8. A2817

Triangular numbers representable as x·y+x+y such that·and y are triangular numbers, x>=y>1. A259746

Triangular numbers representable as x·y+x+y such that·and y are triangular numbers, x>=y>0. A259745

T(n,k)=Number of nXk binary arrays with each sum of a(1..i,1..j) no greater than i·j/2. A183407

G.f. is the polynomial (1-x³) * (1-x⁶) * (1-x⁹) * (1-x¹²) * (1-x¹⁵) * (1-x¹⁸) * (1-x²¹) * (1-x²⁴) * (1-x²⁷) * (1-x³⁰) * (1-x³³) * (1-x³⁶) * (1-x³⁹) / (1-x)¹³. A162631

Number of nX3 binary arrays with each sum of a(1..i,1..j) no greater than i·j/2. A183404