Properties of the Number 2485

Two Thousand Four Hundred Eighty-Five

Basics

Value: 2484 → 2485 → 2486

Parity: odd

Prime: No

Previous Prime: 2477

Next Prime: 2503

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 7 × 71

Divisors: 1, 5, 7, 35, 71, 355, 497, 2485

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 100110110101

Octal: 4665

Duodecimal: 1531

Hexadecimal: 9b5

Square: 6175225

Square Root: 49.84977432245807

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

Number of plane partitions (or planar partitions) of n. A219

Second hexagonal numbers: a(n) = n*(2·n + 1). A14105

Centered 9-gonal (also known as nonagonal or enneagonal) numbers. Every third triangular number, starting with a(1)=1. A60544

Reversion of g.f. for Fibonacci numbers 1, 1, 2, 3, 5, .... A7440

a(n) = p*(p-1)/2 for p = prime(n). A8837

Numbers n such that φ(n,x) is a flat cyclotomic polynomial of order three. A117223

a(n) = n*(5·n² - 3)/2. A63522

Number of partitions of n in which no parts are multiples of 6. A219601

Odd triangular numbers. A14493

Primitive numbers in A229307. A229311