Properties of the Number 84624

Eighty-Four Thousand Six Hundred Twenty-Four

Basics

Value: 84623 → 84624 → 84625

Parity: even

Prime: No

Previous Prime: 84589

Next Prime: 84629

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ⁴ × 3 × 41 × 43

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 24, 41

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10100101010010000

Octal: 245220

Duodecimal: 40B80

Hexadecimal: 14a90

Square: 7161221376

Square Root: 290.9020453692273

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 A(n,k) of endofunctions f on [2n] satisfying f^k(i) = i for all i in [n]; square array A(n,k), n>=0, k>=0, read by antidiagonals. A246070

Number of positive solutions to (x₁)² + (x₂)² + ... + (x₁₀)² <= n². A341429

Number T(n,k) of endofunctions f on [n] satisfying f³(i) = i for all i in [k]; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A245958

Number of endofunctions f on [2n] satisfying f³(i) = i for all i in [n]. A245959

a(n) = floor(C(n+5,5)/C(n+2,2)). A84624