Properties of the Number 36921

Thirty-Six Thousand Nine Hundred Twenty-One

Basics

Value: 36920 → 36921 → 36922

Parity: odd

Prime: No

Previous Prime: 36919

Next Prime: 36923

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 31 × 397

Divisors: 1, 3, 31, 93, 397, 1191, 12307, 36921

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1001000000111001

Octal: 110071

Duodecimal: 19449

Hexadecimal: 9039

Square: 1363160241

Square Root: 192.1483801649132

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 permutations of 1..n with displacements restricted to {-4,0,1,2,3}. A189584

Number of (n+1) X (3+1) 0..1 arrays with every 2 X 2 subblock diagonal minus antidiagonal sum nondecreasing horizontally and vertically. A253154

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 553", based on the 5-celled von Neumann neighborhood. A272848

Number of n X 2 0..2 arrays with no element unequal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. A279866

The number of lattice points in the 2D plane contained between the curve y=x²/4 and the line y=n², inclusive, where n is a positive integer. A385730

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with every 2X2 subblock diagonal minus antidiagonal sum nondecreasing horizontally and vertically. A253159

Numbers n such that digit sum of n equals digit sum of 'juxtaposition' and 'sum' of its prime factors (counted with multiplicity). A36921

Numbers that can be written as 2·a² - 1 and 3·b³ - 1. A345702