Properties of the Number 3949

Three Thousand Nine Hundred Forty-Nine

Basics

Value: 3948 → 3949 → 3950

Parity: odd

Prime: No

Previous Prime: 3947

Next Prime: 3967

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 11 × 359

Divisors: 1, 11, 359, 3949

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111101101101

Octal: 7555

Duodecimal: 2351

Hexadecimal: f6d

Square: 15594601

Square Root: 62.8410693734599

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

Generalized 19-gonal (or enneadecagonal) numbers: m*(17·m - 15)/2 with m = 0, +1, -1, +2, -2, +3, -3, ... A303813

Number of perfect squared squares of order n up to symmetries of the square. A217156

a(1) = 4; a(n) is smallest number >= a(n-1) such that the juxtaposition a(1)a(2)...a(n) is a prime. A46254

Number of "ON" cells after n-th stage in simple 2-dimensional cellular automaton (see Comments for precise definition). A160117

19-gonal (or enneadecagonal) numbers: n(17n-15)/2. A51871

Number of squares on infinite chessboard at <= n knight's moves from a fixed square. A18836

Numbers k that are the products of two distinct primes such that 2·k-1, 4·k-3, 8·k-7 and 16·k-15 are also products of two distinct primes. A177213

Consecutive states of the linear congruential pseudo-random number generator for 16-bit WATFOR/WATFIV when started at 1. A384158

Numbers n with property that A062234(n) = A062234(n+1) = A062234(n+2) = A062234(n+3). A257892

a(n) = 8·n² + 20·n + 1. A161617