Properties of the Number -102745

One Hundred Two Thousand Seven Hundred Forty-Five

Basics

Value: -102746 → -102745 → -102744

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 20549

Divisors: 1, 5, 20549, 102745

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11001000101011001

Octal: -310531

Duodecimal: -4B561

Hexadecimal: -19159

Square: 10556535025

Square Root: 320.5386092189208

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

Main diagonal of array A255551. A255550

a(n) = ∑_d∣n d² * (d+1)/2. A278403

Number of fixed polyominoes with 2n-1 cells and width and height both equal to n. A334551

Least numbers k for each base b >= 2 such that N = b^2ⁿ + k is prime for 6 consecutive values from n = 0 to n = 5. A225492