Properties of the Number -145639

One Hundred Forty-Five Thousand Six Hundred Thirty-Nine

Basics

Value: -145640 → -145639 → -145638

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 13 × 17 × 659

Divisors: 1, 13, 17, 221, 659, 8567, 11203, 145639

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100011100011100111

Octal: -434347

Duodecimal: -70347

Hexadecimal: -238e7

Square: 21210718321

Square Root: 381.6267810308915

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

a(n+1) = 4·a(n) - n. A164044

a(n) = 5·2ⁿ/9 + 1/4 + (-1)ⁿ*(n/6 + 7/36). A172416