Properties of the Number 507

Five Hundred Seven

Basics

Value: 506 → 507 → 508

Parity: odd

Prime: No

Previous Prime: 503

Next Prime: 509

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 13 ²

Divisors: 1, 3, 13, 39, 169, 507

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111111011

Octal: 773

Duodecimal: 363

Hexadecimal: 1fb

Square: 257049

Square Root: 22.516660498395403

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

Central polygonal numbers: a(n) = n² - n + 1. A2061

a(n) = 3·n². A33428

Number of rooted ternary trees with n nodes; number of n-carbon alkyl radicals C(n)H(2n+1) ignoring stereoisomers. A598

a(n) = floor(n²/3). A212

a(n) = ∑_k=1..n n/gcd(n,k). A57660

Numbers divisible by the square of their largest prime factor. A70003

Lesser of two consecutive numbers each divisible by a square. A68781

Partial sums of the partition numbers A000041 of the positive integers. A26905

Quarter-squares plus 1 (that is, a(n) = A002620(n) + 1). A33638

a(n) = 4·n² - 6·n + 3. A54569