Properties of the Number 12485

Twelve Thousand Four Hundred Eighty-Five

Basics

Value: 12484 → 12485 → 12486

Parity: odd

Prime: No

Previous Prime: 12479

Next Prime: 12487

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 11 × 227

Divisors: 1, 5, 11, 55, 227, 1135, 2497, 12485

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000011000101

Octal: 30305

Duodecimal: 7285

Hexadecimal: 30c5

Square: 155875225

Square Root: 111.73629669896886

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 distinct values taken by 9⁹^...⁹ (with n 9's and parentheses inserted in all possible ways). A145549

Number of rooted unlabeled trees on n nodes where each node has at most 11 children. A292556

Triangle read by rows: T(n,k) is the number of simple connected graphs on n nodes with k center nodes. A294525

Consider the Euler totient function of a number x. Take the sum of its digits. Repeat the process deleting the first addendum and adding the previous sum. The sequence lists the numbers that after some iterations reach x. A269309

Number of simple unlabeled n-node graphs with 2 center nodes. A52438

Products of 3 distinct safe primes. A157354

Numbers n such that the sum of the first n odd primes is palindromic. A58845

a(n) is the smallest multiple of n such that the sum of the square of the decimal digits of a(n) is divisible by n. A191872

Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A254906

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 461", based on the 5-celled von Neumann neighborhood. A272293