Properties of the Number 47972

Forty-Seven Thousand Nine Hundred Seventy-Two

Basics

Value: 47971 → 47972 → 47973

Parity: even

Prime: No

Previous Prime: 47969

Next Prime: 47977

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 67 × 179

Divisors: 1, 2, 4, 67, 134, 179, 268, 358, 716, 11993

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011101101100100

Octal: 135544

Duodecimal: 23918

Hexadecimal: bb64

Square: 2301312784

Square Root: 219.02511271541445

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

Numbers k such that k | 8^k + 8. A15897

Sum of the smallest parts of the partitions of 4n into 4 parts with smallest part greater than 1. A238706

G.f.: ∏_k>=1 (1 + x^k³) / (1 - x^k). A280278

Third terms of triple Peano sequence A071988. A72206

Bisection of A000125. A100503

Pseudoprimes to base 9 that are not squarefree. A306448

Number of nX6 0..1 arrays with every element equal to 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A298961

Numbers n such that 77·2ⁿ-1 is prime. A50564

T(n,k)=Number of nXk 0..1 arrays with every element equal to 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A298963

Distance of n-th prime to nearest square. A47972