Properties of the Number -400581

Four Hundred Thousand Five Hundred Eighty-One

Basics

Value: -400582 → -400581 → -400580

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 47 × 947

Divisors: 1, 3, 9, 47, 141, 423, 947, 2841, 8523, 44509

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100001110011000101

Octal: -1416305

Duodecimal: -173999

Hexadecimal: -61cc5

Square: 160465137561

Square Root: 632.9146861939608

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

Indices i where a run of zeros starts in A305671. A305673

Expansion of ∑_k>=0 k! * ( k·x/(1 - x) )^k. A358741