Properties of the Number 84125

Eighty-Four Thousand One Hundred Twenty-Five

Basics

Value: 84124 → 84125 → 84126

Parity: odd

Prime: No

Previous Prime: 84121

Next Prime: 84127

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 ³ × 673

Divisors: 1, 5, 25, 125, 673, 3365, 16825, 84125

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100100010011101

Octal: 244235

Duodecimal: 40825

Hexadecimal: 1489d

Square: 7077015625

Square Root: 290.0431002454635

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

Indices where the cumulative sum of sin(2k+1)^2k+1 reaches a record low value. A387730

Lower (1/2)-midsequence of Fibonacci numbers (A000045) and tribonacci numbers (A000213); see Comments. A390348

E.g.f. satisfies A(x·e^x) = tan(xA(x))+1. A184933

Numbers k such that 13·3^k + 2 is prime. A84125