Properties of the Number -142766

One Hundred Forty-Two Thousand Seven Hundred Sixty-Six

Basics

Value: -142767 → -142766 → -142765

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 13 × 17 ² × 19

Divisors: 1, 2, 13, 17, 19, 26, 34, 38, 221, 247

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100010110110101110

Octal: -426656

Duodecimal: -6A752

Hexadecimal: -22dae

Square: 20382130756

Square Root: 377.84388310517875

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) = Catalan(n) * (n² + 2) / (n + 2). A344191

T(2n+6,n), array T as in A055794. A55799

Number of directed rooted trees on n nodes with forbidden limbs. A14276

Numbers n such that n⁴ is a sum of 4th powers of four nonzero integers whose sum is n. A138760