Properties of the Number 74529

Seventy-Four Thousand Five Hundred Twenty-Nine

Basics

Value: 74528 → 74529 → 74530

Parity: odd

Prime: No

Previous Prime: 74527

Next Prime: 74531

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 ² × 13 ²

Divisors: 1, 3, 7, 9, 13, 21, 39, 49, 63, 91

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010001100100001

Octal: 221441

Duodecimal: 37169

Hexadecimal: 12321

Square: 5554571841

Square Root: 273

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

Squares in which parity of digits alternates. A30152

Base-16 representation of a(n) is the concatenation of the base-16 representations of 1, 2, ..., n, n-1, ..., 1. A260866

Number of n X 2 array permutations with each element making zero or one knight moves. A189145

Squares which are palindromes in base 4. A29987

Numbers that are the squares of the product of three distinct primes. A162143

a(n) = (11·n + 9)². A17498

Squares which are the arithmetic mean of two consecutive primes. A69495

Palindromic squares in base 16. A29734

Squares with initial digit '7'. A45791

Number of simple labeled graphs on n+2 nodes with exactly n connected components that are trees or cycles. A215862