Properties of the Number -664631

Six Hundred Sixty-Four Thousand Six Hundred Thirty-One

Basics

Value: -664632 → -664631 → -664630

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 11 × 23 × 37 × 71

Divisors: 1, 11, 23, 37, 71, 253, 407, 781, 851, 1633

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10100010010000110111

Octal: -2422067

Duodecimal: -28075B

Hexadecimal: -a2437

Square: 441734366161

Square Root: 815.2490417044353

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

Triangle read by rows: number of Dyck paths of semilength n having k 3-bridges of a given shape (0<=k<=floor(n/3)). A 3-bridge is a subpath of the form UUUDDD or UUDUDD starting at level 0. A114499

Numbers k such that k and k² use only the digits 1, 3, 4, 6 and 7. A137025