Properties of the Number -380407

Three Hundred Eighty Thousand Four Hundred Seven

Basics

Value: -380408 → -380407 → -380406

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 197 × 1931

Divisors: 1, 197, 1931, 380407

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1011100110111110111

Octal: -1346767

Duodecimal: -164187

Hexadecimal: -5cdf7

Square: 144709485649

Square Root: 616.7714325420723

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) = ∑_k=1..n floor(n/k)⁵. A318744

Rounded down ratio of area of a unit circle and one of the circles inscribed between a regular n-gon and a circumscribed unit circle. A244094

Number of digits in the number formed by concatenating the digits of n, n+1, ..., A332584(n), or -1 if A332584(n) = -1. A332585

Number of length n+4 0..4 arrays with no five consecutive elements with pattern ababa or abbba (possibly a=b) and new values 0..4 introduced in 0..4 order. A244179