Properties of the Number 11858

Eleven Thousand Eight Hundred Fifty-Eight

Basics

Value: 11857 → 11858 → 11859

Parity: even

Prime: No

Previous Prime: 11839

Next Prime: 11863

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 7 ² × 11 ²

Divisors: 1, 2, 7, 11, 14, 22, 49, 77, 98, 121

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111001010010

Octal: 27122

Duodecimal: 6A42

Hexadecimal: 2e52

Square: 140612164

Square Root: 108.89444430272832

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

Maximum number of regions into which the plane can be divided using n (concave) quadrilaterals. A77591

Total number of largest parts in all compositions of n. A97979

Numbers with 9 odd divisors. A267892

Heinz numbers of integer partitions such that the difference between the length of the minimal square containing and the maximal square contained in the Young diagram is 1. A325179

Numbers k such that 27·2^k-1 is prime. A50539

Number of integer partitions of n with parts colored by {0, 1, 2} such that the sum of colors is congruent to 1 (mod 3). A390208

Number of partitions of n into {number of partitions of n into "number of partitions of n into 'number of partitions of n into partition numbers' numbers" numbers} numbers. A130900

Triples (a,b,c) such that (a+b+c)³ = concat(a,b,c), a, b, c > 0, ordered by size of this value. A328199

a(n) is the smallest number such that there are precisely n squares between a(n) and 2·a(n) inclusive. A346522

Oscillates under partition transform. A7211