Properties of the Number 70847

Seventy Thousand Eight Hundred Forty-Seven

Basics

Value: 70846 → 70847 → 70848

Parity: odd

Prime: No

Previous Prime: 70843

Next Prime: 70849

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 7 × 29 × 349

Divisors: 1, 7, 29, 203, 349, 2443, 10121, 70847

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001010010111111

Octal: 212277

Duodecimal: 34BBB

Hexadecimal: 114bf

Square: 5019297409

Square Root: 266.17099766879187

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) = ∑_{k=0..floor(n/2)} 2^k * binomial(2·n-2·k+1,2·k). A387624

a(n) = ∑_{k=0..floor(n/4)} C(n-2·k,2·k)*2^k. A98575

The r-th term of the n-th row of the following array contains the sum of r successively decreasing integers beginning from n, 0 < r <= n (see Example). A110426

Triangle read by rows: T(n,k) is the number of bargraphs of semiperimeter n having k levels. A level in a bargraph is a maximal sequence of two or more adjacent horizontal steps; it is preceded and followed by either an up step or a down step. A273344

Squares where A323809 gets stuck. A323813

Smallest prime == 1 mod (3n). A70847