Properties of the Number -111506

One Hundred Eleven Thousand Five Hundred Six

Basics

Value: -111507 → -111506 → -111505

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 127 × 439

Divisors: 1, 2, 127, 254, 439, 878, 55753, 111506

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11011001110010010

Octal: -331622

Duodecimal: -54642

Hexadecimal: -1b392

Square: 12433588036

Square Root: 333.9251413116419

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

Numbers k such that k and k+1 have same sum of divisors. A2961

Numbers k such that k and k+1 have the same sum but an unequal number of divisors. A54007

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1) + b(n-2) + n + 1, where a(0) = 1, a(1) = 2, b(0) = 3, and (a(n)) and (b(n)) are increasing complementary sequences. A294556

Numbers n such that σ(n+1) - σ(n) = k·n for some integer k, where σ(n) = A000203 (sum of divisors of n). A223136

Numbers k such that s(k) = s(k+1), where s(k) is the sum of recursive divisors of k (A333926). A333949

Numbers m such that the δ(m) = abs(σ(m+1)/(m+1) - σ(m)/(m)) is smaller than δ(k) for all k < m. A335071

Numbers k such that k and k+1 have the same sum of squarefree divisors, or sqf(k) = sqf(k+1), where sqf(k) = A048250(k). A63964

Numbers k such that k and k+1 have the same sum of unitary and nonunitary divisors. A64729

Numbers k such that sigmawt(k) = sigmawt(k+1), where sigmawt(k) is the sum of the divisors of k weighted by divisor multiplicity in k. A171183

Numbers k such that s(k) = s(k+1) where s(k) is the sum of unitary, squarefree divisors of k, including 1 (A092261). A327875