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Properties of the Number 67528

Sixty-Seven Thousand Five Hundred Twenty-Eight

Basics

Value: 67527 → 67528 → 67529

Parity: even

Prime: No

Previous Prime: 67523

Next Prime: 67531

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 3 × 23 × 367

Divisors: 1, 2, 4, 8, 23, 46, 92, 184, 367, 734

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000011111001000

Octal: 203710

Duodecimal: 330B4

Hexadecimal: 107c8

Square: 4560030784

Square Root: 259.8615015734343

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

Even triangular numbers with prime indices. A34955
f-amicable numbers where f(n) = n-1. A66511
Triangular numbers with sum of digits = 28. A68132
Triangular numbers in which the sum of the external digits equals the sum of the internal digits. A88289
Hexagonal numbers for which the sum of the digits is also a hexagonal number. A117062
Coefficients of the minimal polynomials of the algebraic numbers sqLhat(2·l) from A230072, l >= 1, related to the square of all length in a regular (2·l)-gon inscribed in a circle of radius 1 length unit. A230073
Numbers n such that n - 4k is a prime or 1 for all k > 0 and n > 4k. A67528
Fibonacci numbers (A000045) which are anagrams of Triangular numbers (A000217). A162394
Lexicographically earliest sequence of distinct positive terms such that for any n > 1 and any prime number p, if p divides a(n) then the p-adic valuation of a(n) is one plus the p-adic valuation of a(n-1). A297409