Properties of the Number 84825

Eighty-Four Thousand Eight Hundred Twenty-Five

Basics

Value: 84824 → 84825 → 84826

Parity: odd

Prime: No

Previous Prime: 84811

Next Prime: 84827

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 ² × 13 × 29

Divisors: 1, 3, 5, 9, 13, 15, 25, 29, 39, 45

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100101101011001

Octal: 245531

Duodecimal: 41109

Hexadecimal: 14b59

Square: 7195280625

Square Root: 291.247317584214

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 necklaces with 7 black beads and n-7 white beads. A32192

a(n) = floor(C(n,6)/7). A11797

Odd numbers n such that 2n/σ(n) - 1 = 1/x for some positive integer x. A222263

Structured truncated octahedral numbers. A100155

Numbers that are divisible by the squares of two distinct primes and whose arithmetic derivative (A003415) is a squarefree number of the form 4k+2. A368697

T(n,7), array T as in A051168; a count of Lyndon words; aperiodic necklaces with 7 black beads and n-7 white beads. A51172

Number of preference profiles with 4 alternatives and n agents (IANC model). A296260

Maximum number of spheres of diameter one that can be packed in a cube of edge length n. A84825

Triangle t(n,k) read by rows: fibonomial ratios c(n)/(c(k)*c(n-k)) where c are partial products of a generalized Fibonacci sequence with multiplier m=4. A172349

a(n) = -24·A015219(n-2)*a(n-1), with a(1) = 2. A203778