Properties of the Number 12125

Twelve Thousand One Hundred Twenty-Five

Basics

Value: 12124 → 12125 → 12126

Parity: odd

Prime: No

Previous Prime: 12119

Next Prime: 12143

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 5 ³ × 97

Divisors: 1, 5, 25, 97, 125, 485, 2425, 12125

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111101011101

Octal: 27535

Duodecimal: 7025

Hexadecimal: 2f5d

Square: 147015625

Square Root: 110.11357772772621

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

Numbers n that are the hypotenuse of exactly 10 distinct integer-sided right triangles, i.e., n² can be written as a sum of two squares in 10 ways. A97225

Positive integers m such that π(m²) = π(j²) + π(k²) for no 0 < j <= k < m. A262408

T(n,k)=Number of length-n 0..k arrays with no repeated value differing from the previous repeated value by other than plus two or minus 1. A269640

Numbers n for which there are exactly six k such that n = k + (product of nonzero digits of k). A96927

Square array, read by antidiagonals, used to recursively calculate the Springer numbers A001586. A185418

In triangular peg solitaire, number of distinct feasible pairs starting with one peg missing and finishing with one peg. A130515

Square roots of highly composite numbers, floored down: a(n) = A000196(A002182(n)). A263096

Numbers k such that k + A067666(k) is a square. A386257

Expansion of e.g.f. exp(7·x)/(1-7·x)^1/7. A94911

In triangular peg solitaire, number of distinct solvable feasible pairs starting with one peg missing and finishing with one peg. A130516