Properties of the Number -1441

Four Hundred Forty-One

Basics

Value: -1442 → -1441 → -1440

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: Yes

Factorization: 11 × 131

Divisors: 1, 11, 131, 1441

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10110100001

Octal: -2641

Duodecimal: -A01

Hexadecimal: -5a1

Square: 2076481

Square Root: 37.960505792204614

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) = -n³ + 7·n² - 5·n + 1. A161708

E.g.f. log(1+sin(x))*exp(x). A9334

Determinant of n X n Hankel matrix whose entries are t(i+j), 0 <= i, j < n, where t is the Thue-Morse sequence. A56887

Expansion of (1-x)^-1/(1+2·x²-x³). A77892

(1/18)*Difference between concatenation of n and n² and concatenation of n² and n. A55435

Number of "ON" cells at n-th stage in the "Ulam-Warburton" two-dimensional cellular automaton. A147562

Centered 12-gonal numbers, or centered dodecagonal numbers: numbers of the form 6·k*(k-1) + 1. A3154

Square array, read by antidiagonals, where row n equals the crystal ball sequence for the 2·n-dimensional lattice A_n x A_n. A143007

Concentric hexagonal numbers: floor(3·n²/2). A32528

Number of complete subsets of {1..n}. A326020