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Properties of the Number -11640

Eleven Thousand Six Hundred Forty

Basics

Value: -11641 → -11640 → -11639

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 3 × 3 × 5 × 97

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10110101111000

Octal: -26570

Duodecimal: -68A0

Hexadecimal: -2d78

Square: 135489600

Square Root: 107.88883167408942

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

Expansions of the characteristic polynomials of certain matrices, see Mathematica code. A136449
Least k for the Theodorus spiral to complete n revolutions. A72895
Numbers k such that φ(x) = k has exactly 11 solutions. A60674
Number of cyclic change-ringing sequences of length n for 6 bells. A324946
Positive numbers that are not the sum of two squares and a positive Fibonacci number. A115176
A triangle related to the a(n) formulas of the rows of the ED1 array A167546. A167552
Number of factorizations of n! into factors > 1 that can be obtained by taking the multiset union of a choice of factorizations of each positive integer from 2 to n into factors > 1. A321468
Number of n-step polygons on f.c.c. lattice. A1337
The fifth left hand column of triangle A167552. A168303
Infinitary 3-nondeficient numbers: numbers k such that isigma(k) >= 3·k, where isigma(k) is the sum of infinitary divisors of k (A049417). A300664