Properties of the Number 8857

Eight Thousand Eight Hundred Fifty-Seven

Basics

Value: 8856 → 8857 → 8858

Parity: odd

Prime: No

Previous Prime: 8849

Next Prime: 8861

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 17 × 521

Divisors: 1, 17, 521, 8857

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001010011001

Octal: 21231

Duodecimal: 5161

Hexadecimal: 2299

Square: 78446449

Square Root: 94.11163583744573

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 of subsets of {1..n} whose mean is an integer, where {} has mean 0. A327475

Every run of digits of n in base 16 has length 2. A33014

a(n) = floor(n*φ¹³), where φ is the golden ratio, A001622. A4928

Number of connected induced (non-null) subgraphs of the helm graph with 2n+1 nodes. A286184

Positive integers k such that (k+1)⁴ has a divisor congruent to -1 modulo k. A350916

a(n) = 15·n² + 9·n + 1. A134153

a(0) = 1, a(1) = 17, and a(n) = 23·a(n-1) - a(n-2) - 4 for n >= 2. A350926

Numbers k such that there are exactly 8 numbers j for which binomial(k, floor(k/2)) / binomial(k,j) is an integer, i.e., A080383(k) = 8. A80386

Semiprimes in A056109. A113528

Base 9 digits are, in order, the first n terms of the periodic sequence with initial period 1,3. A37581