Properties of the Number -84049

Eighty-Four Thousand Forty-Nine

Basics

Value: -84050 → -84049 → -84048

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 7 × 12007

Divisors: 1, 7, 12007, 84049

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10100100001010001

Octal: -244121

Duodecimal: -40781

Hexadecimal: -14851

Square: 7064234401

Square Root: 289.9120556306688

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

Numbers n such that n² = a² + b⁵ (with integers a, b > 0) and gcd(a, b, n) = 1. A293284

Indices of pentagonal numbers (A000326) which are also centered hexagonal numbers (A003215). A254136

Number of partitions of n with up to four distinct kinds of 1. A320691

a(0)=1, a(1)=1, a(n) = 17·a(n/2) for n=2,4,6,..., a(n) = 16·a((n-1)/2) + a((n+1)/2) for n=3,5,7,.... A116523

arctanh(arctan(x)+arcsin(x))=2·x+15/3!*x³+721/5!*x⁵+84049/7!*x⁷... A12993