Properties of the Number 85624

Eighty-Five Thousand Six Hundred Twenty-Four

Basics

Value: 85623 → 85624 → 85625

Parity: even

Prime: No

Previous Prime: 85621

Next Prime: 85627

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 7 × 11 × 139

Divisors: 1, 2, 4, 7, 8, 11, 14, 22, 28, 44

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100111001111000

Octal: 247170

Duodecimal: 41674

Hexadecimal: 14e78

Square: 7331469376

Square Root: 292.61578904768623

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

a(1) = greatest k such that H(k) - H(4) < 1/3 + 1/4; a(2) = greatest k such that H(k) - H(a(1)) < H(a(1)) - H(4); and for n > 2, a(n) = greatest k such that H(k) - H(a(n-1)) > H(a(n-1)) - H(a(n-2)), where H = harmonic number. A224868

Sum of the entries in the character table of the dihedral group D_2n of order 2n. A85624