Properties of the Number -403782

Four Hundred Three Thousand Seven Hundred Eighty-Two

Basics

Value: -403783 → -403782 → -403781

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 173 × 389

Divisors: 1, 2, 3, 6, 173, 346, 389, 519, 778, 1038

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100010100101000110

Octal: -1424506

Duodecimal: -175806

Hexadecimal: -62946

Square: 163039903524

Square Root: 635.4384313212414

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

Fibonacci sequence beginning 5, 11. A22136

Pentagonal numbers > 0 which are not the difference of two larger pentagonal numbers. A136113

Pentagonal numbers > 0 which are not the difference of two other pentagonal numbers > 0. A135769

Start with a(1)=1; for n >= 1, a(n+1)=a(n)+a(k) with k=[n - n-th digit of sqrt(2)]. If k<0 or k=0, then a(k)=0. A133393