Properties of the Number -105625

One Hundred Five Thousand Six Hundred Twenty-Five

Basics

Value: -105626 → -105625 → -105624

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 ⁴ × 13 ²

Divisors: 1, 5, 13, 25, 65, 125, 169, 325, 625, 845

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -11001110010011001

Octal: -316231

Duodecimal: -51161

Hexadecimal: -19c99

Square: 11156640625

Square Root: 325

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

Sum of first n cubes; or n-th triangular number squared. A537

Least positive integer that is the sum of two squares of positive integers in exactly n ways. A16032

Least number which is the sum of two distinct nonzero squares in exactly n ways. A93195

Smallest k such that circle x² + y² = k passes through exactly 4n integer points. A18782

Main diagonal of A082043: a(n) = n⁴ + 2·n² + 1. A82044

Numbers of the form q1^b1 * q2^b2 * q3^b3 * q4^b4 * q5^b5 * ... where q1=5, q2=13, q3=17, q4=29, q5=37, ... (A002144) and b1 >= b2 >= b3 >= b4 >= b5 >= .... A54994

a(n) = (11·n + 6)². A17462

a(n) = (12·n + 1)². A17534

Numbers of the form (5ⁱ)*(13^j). A107466

Square numbers that remain square when their most-significant (or leftmost) digit is removed. A225885