Properties of the Number 47312

Forty-Seven Thousand Three Hundred Twelve

Basics

Value: 47311 → 47312 → 47313

Parity: even

Prime: No

Previous Prime: 47309

Next Prime: 47317

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ⁴ × 2957

Divisors: 1, 2, 4, 8, 16, 2957, 5914, 11828, 23656, 47312

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011100011010000

Octal: 134320

Duodecimal: 23468

Hexadecimal: b8d0

Square: 2238425344

Square Root: 217.51321798916038

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 Euler numbers of type 2ⁿ. A5799

Poupard's triangle: triangle of numbers arising in enumeration of binary trees. A8301

Left half of Poupard's triangle, A008301. A210108

Triangle T(n,k), 0<=k<=n, read by rows, given by [1,2,3,4,5,6,7,8,9,10,...] δ [1,1,6,6,15,15,28,28,...] where δ is the operator defined in A084938 . A130847

Numbers that are congruent to {0, 4, 5, 6} mod 7. A47312

a(n) = n for n <= 3; for n > 3, a(n) is the smallest unused positive number that shares a factor with the largest odd divisor of a(n-1). A373698