Properties of the Number -1278316

Two Hundred Seventy-Eight Thousand Three Hundred Sixteen

Basics

Value: -1278317 → -1278316 → -1278315

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 13 ² × 31 × 61

Divisors: 1, 2, 4, 13, 26, 31, 52, 61, 62, 122

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100111000000101101100

Octal: -4700554

Duodecimal: -517924

Hexadecimal: -13816c

Square: 1634091795856

Square Root: 1130.6263750682629

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

Pairs of primitive deficient numbers having the same value of σ(k)/k, listed by increasing value of the larger of the two k values. A212610

Primitive deficient numbers n having a companion m > n such that σ(n)/n = σ(m)/m (ordered by increasing (smallest possible) m). A212611