Properties of the Number 39977

Thirty-Nine Thousand Nine Hundred Seventy-Seven

Basics

Value: 39976 → 39977 → 39978

Parity: odd

Prime: No

Previous Prime: 39971

Next Prime: 39979

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 7 × 5711

Divisors: 1, 7, 5711, 39977

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001110000101001

Octal: 116051

Duodecimal: 1B175

Hexadecimal: 9c29

Square: 1598160529

Square Root: 199.9424917319978

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

G.f.: 1/( (1 - x/(1 - x²/(1 - x³/(1 - x⁴/(1 - ...))))) * (1 + x/(1 + x²/(1 + x³/(1 + x⁴/(1 + ...))))) ), a continued fraction. A285637

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, -1), (0, 1, 1), (1, -1, 1), (1, 1, -1)}. A149021

Number of equivalence classes of length n squarefree reduced words over {0, 1, 2, 3} under action of renaming symbols. A343484

Numbers k such that gcd(2·k⁷+1, 3·k³+2) > 1. A369153

An example of a d-perfect sequence. A39977