Properties of the Number -1018

Eighteen

Basics

Value: -1019 → -1018 → -1017

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 × 509

Divisors: 1, 2, 509, 1018

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1111111010

Octal: -1772

Duodecimal: -70A

Hexadecimal: -3fa

Square: 1036324

Square Root: 31.906112267087632

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

McKay-Thompson series of class 30C for the Monster group with a(0) = -1. A132321

McKay-Thompson series of class 30C for Monster. A58614

G.f.: ∏_m>0 (1 - x^m + 2!*x^2·m - 3!*x^3·m). A293255

Irregular triangle, read by rows: Coefficients of the polynomials P_n, n>=2 such that the series f(x) = c + c(x-c) + ∑_n>=2 P_n(c)/c^(n-1*(n+2)/2+1) (x-c)ⁿ/n! satisfies f(c) = c and f'(f(x)) = x near the fixed point c in (0,oo). A375720

Number of rucksack partitions of n: every consecutive constant subsequence has a different sum. A353864

Numbers k such that k¹⁶ + 1 is prime. A6313

Number of twice-partitions of n with no repeated partitions. A296122

Numbers k such that 1 + k + k³ + k⁵ + k⁷ + k⁹ + k¹¹ is prime. A244376

Number of integer partitions of n without choosable initial intervals. A387118

Number of strict integer partitions of n whose length (number of parts) is equal to the sum of some submultiset. A367214