Properties of the Number 70280

Seventy Thousand Two Hundred Eighty

Basics

Value: 70279 → 70280 → 70281

Parity: even

Prime: No

Previous Prime: 70271

Next Prime: 70289

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 5 × 7 × 251

Divisors: 1, 2, 4, 5, 7, 8, 10, 14, 20, 28

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001001010001000

Octal: 211210

Duodecimal: 34808

Hexadecimal: 11288

Square: 4939278400

Square Root: 265.10375327407195

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

Expansion of ∏_k>=1 1/(1-x^2·k-1)^2·k-1. A262811

Expansion of ∏_k>=1 1/(1+x^2·k-1)^2·k-1. A284628

Expansion of tan(log(1+x)). A3708

Nonunitary weird numbers: numbers that are nonunitary abundant but not nonunitary pseudoperfect. A327948

Number of separable partitions of n in which the number of distinct (repeatable) parts <= 6. A325715

a(1) = 1; a(n) = a(n-1) + product of the digits of n-1. A70280