Properties of the Number -3806

Eight Hundred Six

Basics

Value: -3807 → -3806 → -3805

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 11 × 173

Divisors: 1, 2, 11, 22, 173, 346, 1903, 3806

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111011011110

Octal: -7336

Duodecimal: -2252

Hexadecimal: -ede

Square: 14485636

Square Root: 61.69278726074872

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 (∏_k>0 theta₄(q^k)/theta₃(q^k))^1/2, where theta₃() and theta₄() are the Jacobi θ functions. A320992

Number of double-free integer partitions of n. A323092

Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 24. A51989

a(n) = n*(8·n - 3). A139273

Sum of smallest parts of all partitions of n into distinct parts. A92265

Expansion of ∏_k>0 theta₃(q^2·k-1), where theta₃() is the Jacobi θ function. A320078

Least number of symbols required to fill a grid of size n² X n² row by row in the greedy way such that in no row or column or n X n square any symbol occurs twice. A292670

Sum of squares of first n positive integers congruent to 1 mod 3. A24215

3-untouchable numbers. A284147

Numbers n for which 2·R_n + 1 is a prime, where R_n = 11...1 is the repunit (A002275) of length n. A96506