Properties of the Number -399779

Three Hundred Ninety-Nine Thousand Seven Hundred Seventy-Nine

Basics

Value: -399780 → -399779 → -399778

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 44

Digital Root: 8

Palindrome: No

Factorization: 19 × 53 × 397

Divisors: 1, 19, 53, 397, 1007, 7543, 21041, 399779

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1100001100110100011

Octal: -1414643

Duodecimal: -17342B

Hexadecimal: -619a3

Square: 159823248841

Square Root: 632.2807920536571

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

Positions of non-crossing fixed-point-free involutions (encoded by A014486) in A055089, sorted to ascending order. A64640

Expansion of 1/(x^k*(1-x-2·x^k+1)) for k=5. A143448

Positions of non-crossing fixed-point-free involutions encoded by A014486 (after reflection) in A055089. Permutation of A064640. A64639