Properties of the Number 3771

Three Thousand Seven Hundred Seventy-One

Basics

Value: 3770 → 3771 → 3772

Parity: odd

Prime: No

Previous Prime: 3769

Next Prime: 3779

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 419

Divisors: 1, 3, 9, 419, 1257, 3771

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111010111011

Octal: 7273

Duodecimal: 2223

Hexadecimal: ebb

Square: 14220441

Square Root: 61.40846847137616

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(0) = -1, a(1) = 2; a(n) = 2·a(n-1) + a(n-2). A78343

2·a(n)² + 7 is a square. A77442

Part of the y solutions of the Pell equation x² - 2·y² = +7. A253811

Fixed-k dispersion for Q = 8: Square array D(g,h) (g, h >= 1), read by ascending antidiagonals. A120861

a(n) = ((15·n + 34)/54)*2^n-1 - (-1)^n-1*(6·n + 5)/27. A127978

Atavistic Index Sequence to A089840 computed for SPINE. A153833

Prime(n)*...*prime(a(n)) is the least product of consecutive primes that is non-deficient. A7684

Prime(n)*...*prime(a(n)) is the least product of consecutive primes which is abundant. A7707

Index sequence to A089840: positions of bijections that preserve A127302 (the non-oriented form of binary trees) and whose behavior does not depend on whether there are internal or terminal nodes (leaves) in the neighborhood of any vertex. A153830

Array read by antidiagonals: T(m,n) = number of independent vertex sets in the complete prism graph K_m X C_n. A287376