Properties of the Number -42115

Forty-Two Thousand One Hundred Fifteen

Basics

Value: -42116 → -42115 → -42114

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 5 × 8423

Divisors: 1, 5, 8423, 42115

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010010010000011

Octal: -122203

Duodecimal: -20457

Hexadecimal: -a483

Square: 1773673225

Square Root: 205.21939479493648

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(0) = 1, a(1) = 2, a(2) = 5; for n >= 3, a(n) = a(n - 1) - 2·a(n - 2) + a(n - 3). A121311

Number of partitions of n with more odd parts than even parts. A108950

Number of integer solutions to (x₁)² + (x₂)² + ... + (x₇)² <= n. A341396

Numerators of continued fraction convergents to sqrt(118). A41214

Number of partially achiral trees with n nodes. A3243