Properties of the Number 47964

Forty-Seven Thousand Nine Hundred Sixty-Four

Basics

Value: 47963 → 47964 → 47965

Parity: even

Prime: No

Previous Prime: 47963

Next Prime: 47969

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 7 × 571

Divisors: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011101101011100

Octal: 135534

Duodecimal: 23910

Hexadecimal: bb5c

Square: 2300545296

Square Root: 219.00684920796428

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

Number of partitions of n into parts not a multiple of 7. Also number of partitions with at most 6 parts of size 1 and differences between parts at distance 9 are greater than 1. A35985

a(n) = a(n-1) + a(n-2) + 1, with a(0)=3, a(1)=8. A22407

Number of nXnXn triangular binary arrays with every 1 adjacent to at most 1 other 1. A192410

Numbers k such that Bernoulli number B_k has denominator 3404310. A295596

Coordination sequence T2 for Zeolite Code MSO. A47964

a(1) = 2; a(2) = 3; for n >= 3, a(n) = a(n-1) - (gpf(n-2) + gpf(n-1)) if a(n) >= 2 and has not previously appeared, otherwise a(n) = a(n-1) + (gpf(n-2) + gpf(n-1)), where gpf(k) = A006530(k) = greatest prime dividing k. A352603