Properties of the Number -280385

Two Hundred Eighty Thousand Three Hundred Eighty-Five

Basics

Value: -280386 → -280385 → -280384

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 5 × 7 × 8011

Divisors: 1, 5, 7, 35, 8011, 40055, 56077, 280385

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1000100011101000001

Octal: -1043501

Duodecimal: -116315

Hexadecimal: -44741

Square: 78615748225

Square Root: 529.5139280510003

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 unordered pairs (p,q) of distinct partitions of n such that the set of parts in q is equal to the set of parts in p. A369697

Number of partitions of n+10 with largest inscribed rectangle having area <= n. A218631

Number of 4 X n 0..1 arrays with rows unimodal and antidiagonals nondecreasing. A224411