Properties of the Number 8961

Eight Thousand Nine Hundred Sixty-One

Basics

Value: 8960 → 8961 → 8962

Parity: odd

Prime: No

Previous Prime: 8951

Next Prime: 8963

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 29 × 103

Divisors: 1, 3, 29, 87, 103, 309, 2987, 8961

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001100000001

Octal: 21401

Duodecimal: 5229

Hexadecimal: 2301

Square: 80299521

Square Root: 94.66255859631093

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

Coordination sequence for "tcd" 3D uniform tiling. A299287

a(n) = n*(n²+3·n-1)/3. A84990

a(n) = 9ⁿ + 7ⁿ - 1. A155656

24-gonal numbers: a(n) = n*(11·n-10). A51876

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the minimum minus the upper median minus the lower median of every 2X2 subblock equal. A237167

Numbers n such that the decimal number concat(7,n) is a square. A273362

Numbers k with exactly three distinct prime factors and such that cototient(k) is a square. A306670

T(n,k)=Unmatched value maps: number of nXk binary arrays indicating the locations of corresponding elements not equal to any king-move neighbor in a random 0..2 nXk array. A218823

Magic sums of 3 X 3 semimagic squares composed of positive triangular numbers. A269060

Number of ways to write n as the root-mean-square (RMS) of a set of distinct primes. A163974