Properties of the Number 2358

Two Thousand Three Hundred Fifty-Eight

Basics

Value: 2357 → 2358 → 2359

Parity: even

Prime: No

Previous Prime: 2357

Next Prime: 2371

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 131

Divisors: 1, 2, 3, 6, 9, 18, 131, 262, 393, 786

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100100110110

Octal: 4466

Duodecimal: 1446

Hexadecimal: 936

Square: 5560164

Square Root: 48.55924216871593

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

Tribonacci numbers: a(n) = a(n-1) + a(n-2) + a(n-3), with a(0) = 1, a(1) = 1, a(2) = 0. A81172

Numbers n such that BCR(n) = n, where BCR = binary-complement-and-reverse = take one's complement then reverse bit order. A35928

Starts of runs of 3 consecutive Niven numbers in base 2 (A049445). A330932

Numbers m such that there are precisely 10 groups of order m. A249553

Numbers whose binary indices and prime indices have the same sum. A372427

Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 1 + 5x, p(n,x) = u·p(n-1,x) + v·p(n-2,x) for n >=3, where u = p(2,x), v = 1 - x - x². A367210

Non-deficient numbers with even σ which are not Zumkeller. A171641

Starts of runs of 3 consecutive positive negabinary-Niven numbers (A331728). A331822

Numbers k such that k!!!!! + 1 is prime. A85148

Triangle read by rows, related to Pascal's triangle, starting with rows 1; 1,1. A91533