Properties of the Number -442471

Four Hundred Forty-Two Thousand Four Hundred Seventy-One

Basics

Value: -442472 → -442471 → -442470

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 421 × 1051

Divisors: 1, 421, 1051, 442471

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: Yes

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -1101100000001100111

Octal: -1540147

Duodecimal: -194087

Hexadecimal: -6c067

Square: 195780585841

Square Root: 665.1849366905417

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

Expansion of (1+13·x+32·x²+13·x³+x⁴)/(1-x)⁵. A160765

Numbers k > 2 such that 3^k-1 == 1 (mod k) and gcd(k, 2^k-1-1) = 1. A306144