Properties of the Number 83920

Eighty-Three Thousand Nine Hundred Twenty

Basics

Value: 83919 → 83920 → 83921

Parity: even

Prime: No

Previous Prime: 83911

Next Prime: 83921

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ⁴ × 5 × 1049

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100011111010000

Octal: 243720

Duodecimal: 40694

Hexadecimal: 147d0

Square: 7042566400

Square Root: 289.6894889359985

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

E.g.f.: exp( exp(x) * (exp(x) - 1 - x - x² / 2 - x³ / 6) ). A347435

Number of nontriangular numbers <= n. A83920