Properties of the Number 2858

Two Thousand Eight Hundred Fifty-Eight

Basics

Value: 2857 → 2858 → 2859

Parity: even

Prime: No

Previous Prime: 2857

Next Prime: 2861

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 1429

Divisors: 1, 2, 1429, 2858

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 101100101010

Octal: 5452

Duodecimal: 17A2

Hexadecimal: b2a

Square: 8168164

Square Root: 53.46026561849464

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 partitions of n in which the sequence of frequencies of the summands is nonincreasing. A100882

Composite and every divisor (except for 1) contains the digit 2. A62664

Expansion of ∏_{m >= 1} (1 + q^m)^-2. A22597

Triangle read by rows: T(n,k) (n>=0, k>=0) is the number of permutations of n and k occurrences of the pattern 312. A263771

Non-palindromic balanced numbers in base 9. A256089

A simple grammar: power set of pairs of sequences. A52812

Number of partitions of n into distinct parts with an even rank. A117192

Coefficients of replicable function number "48g". A73252

Semiprimes of the form prime + 1. A77068

T(n,k) = Number of (n+2) X (k+2) 0..1 arrays with each 3 X 3 subblock having clockwise perimeter pattern 00000001 or 00000011. A259723