Properties of the Number -431985

Four Hundred Thirty-One Thousand Nine Hundred Eighty-Five

Basics

Value: -431986 → -431985 → -431984

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 31 × 929

Divisors: 1, 3, 5, 15, 31, 93, 155, 465, 929, 2787

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1101001011101110001

Octal: -1513561

Duodecimal: -189BA9

Hexadecimal: -69771

Square: 186611040225

Square Root: 657.2556580205301

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

a(n) = n⁴ - (n-1)⁴ + (n-2)⁴ - ... 0⁴. A62392

Numbers n such that φ(n,x) is a flat cyclotomic polynomial of order four. A117318

Least odd number k such that φ(k,x) is a flat cyclotomic polynomial of order n. A114735