Properties of the Number 3960

Three Thousand Nine Hundred Sixty

Basics

Value: 3959 → 3960 → 3961

Parity: even

Prime: No

Previous Prime: 3947

Next Prime: 3967

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ³ × 3 ² × 5 × 11

Divisors: 1, 2, 3, 4, 5, 6, 8, 9, 10, 11

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111101111000

Octal: 7570

Duodecimal: 2360

Hexadecimal: f78

Square: 15681600

Square Root: 62.928530890209096

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

4 times triangular numbers: a(n) = 2·n*(n+1). A46092

Rhombic matchstick numbers: a(n) = n*(3·n+2). A45944

Ramanujan's largely composite numbers, defined to be numbers m such that d(m) >= d(k) for k = 1 to m-1. A67128

A certain partition array in Abramowitz-Stegun order (A-St order), called M₃(6). A134278

Multinomial coefficient of the prime signature of n!. A325617

a(n) = 4·n*(2·n + 1). A33586

Numbers that can be expressed as the difference of the squares of primes in exactly four distinct ways. A92000

Denominators of table a(n,k) read by antidiagonals: a(0,k) = 1/(k+1), a(n+1,k) = (k+1)(a(n,k)-a(n,k+1)), n >= 0, k >= 0. A51715

Congrua (possible solutions to the congruum problem): numbers k such that there are integers x, y and z with k = x²-y² = z²-x². A256418

Coefficient triangle of certain polynomials. A56588