Properties of the Number 69680

Sixty-Nine Thousand Six Hundred Eighty

Basics

Value: 69679 → 69680 → 69681

Parity: even

Prime: No

Previous Prime: 69677

Next Prime: 69691

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ⁴ × 5 × 13 × 67

Divisors: 1, 2, 4, 5, 8, 10, 13, 16, 20, 26

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001000000110000

Octal: 210060

Duodecimal: 343A8

Hexadecimal: 11030

Square: 4855302400

Square Root: 263.96969523034267

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

Eighth column of quadrinomial coefficients. A1919

a(n) = 64·n² - 16. A157913

a(n) is the number of integers that can be represented in a 7-segment display by using only n segments (version A277116). A350440

Coefficient of xⁿ in the expansion of ( (1+x)² * (1+x²)² )ⁿ. A370195

Primes with either no internal digits or all internal digits are 5. A69680

Square array, read by descending antidiagonals, where each row n comprises the integers w >= 1 such that A000037(n)*w²+4 is a square. A378908