Properties of the Number 68875

Sixty-Eight Thousand Eight Hundred Seventy-Five

Basics

Value: 68874 → 68875 → 68876

Parity: odd

Prime: No

Previous Prime: 68863

Next Prime: 68879

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 5 ³ × 19 × 29

Divisors: 1, 5, 19, 25, 29, 95, 125, 145, 475, 551

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000110100001011

Octal: 206413

Duodecimal: 33A37

Hexadecimal: 10d0b

Square: 4743765625

Square Root: 262.4404694402142

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 d(k) > d(k+1) > d(k+2) > d(k+3) > d(k+4), where d(n) is the number of divisors of n. A364720

Numerators of continued fraction convergents to sqrt(675). A42298

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 841", based on the 5-celled von Neumann neighborhood. A273685

a(n) is the number of square tiles in ring n (n >= 0) symmetric about a vertex of the hyperbolic regular tiling with Schläfli symbol {4,5}. A390190

Expansion of (1 + x·C)*C, where C = (1 - (1 - 4·x)^1/2)/(2·x) is the g.f. for Catalan numbers, A000108. A68875

Smallest i such that there exists j such that i = x + y + z, j = x·y*z has exactly n solutions in positive integers x <= y <= z. A103277