Properties of the Number 70900

Seventy Thousand Nine Hundred

Basics

Value: 70899 → 70900 → 70901

Parity: even

Prime: No

Previous Prime: 70891

Next Prime: 70901

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 5 ² × 709

Divisors: 1, 2, 4, 5, 10, 20, 25, 50, 100, 709

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001010011110100

Octal: 212364

Duodecimal: 35044

Hexadecimal: 114f4

Square: 5026810000

Square Root: 266.27053911388697

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(n) is the number of edges in the graph PG(n) with one node for each free n-celled polyiamond and edges between nodes corresponding to polyiamonds that can be obtained from each other by moving one cell, where the intermediate polyform (the set of cells remaining when the cell to be moved is detached) is required to be a connected polyiamond. A389964

a(0)=1, a(n) is the smallest integer >= a(n-1) such that the largest element in the simple continued fraction for S(n)=1/a(0)+1/a(1)+1/a(2)+...+1/a(n) equals the number of elements in this continued fraction. A70900