Properties of the Number -102689

One Hundred Two Thousand Six Hundred Eighty-Nine

Basics

Value: -102690 → -102689 → -102688

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 29 × 3541

Divisors: 1, 29, 3541, 102689

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7989 Try Today's Challenge

Representations

Binary: -11001000100100001

Octal: -310441

Duodecimal: -4B515

Hexadecimal: -19121

Square: 10545030721

Square Root: 320.45124434147544

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

Period of the Lucas 5-step sequence A074048 mod prime(n). A106298

Period of the Fibonacci 5-step sequence A001591 mod prime(n). A106304

a(n) = 4·n³ - 6·n² + 3·n - 1. A268201

a(n) = ((2·n+1)³+(-1)ⁿ)/2. A175109

Semiprimes which have one or more occurrences of exactly six different digits. A235694

a(n) = 7ⁿ - 5ⁿ + 3ⁿ - 2ⁿ. A135163

Floor(1/{(8+n⁴)^1/4}), where {}=fractional part. A184632