Properties of the Number -131407

One Hundred Thirty-One Thousand Four Hundred Seven

Basics

Value: -131408 → -131407 → -131406

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 331 × 397

Divisors: 1, 331, 397, 131407

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100000000101001111

Octal: -400517

Duodecimal: -64067

Hexadecimal: -2014f

Square: 17267799649

Square Root: 362.50103448128255

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

Strong pseudoprimes to base 31. A20257

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 49 ones. A31817

Number of n X n binary arrays with all ones connected only in a 1100-0111-0011 pattern in any orientation. A147209

Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 1100-0111-0011 pattern in any orientation. A147211