Properties of the Number 74563

Seventy-Four Thousand Five Hundred Sixty-Three

Basics

Value: 74562 → 74563 → 74564

Parity: odd

Prime: No

Previous Prime: 74561

Next Prime: 74567

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 173 × 431

Divisors: 1, 173, 431, 74563

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: Yes

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10010001101000011

Octal: 221503

Duodecimal: 37197

Hexadecimal: 12343

Square: 5559640969

Square Root: 273.062263961903

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

Strong pseudoprimes to base 6. A20232

Heptagonal numbers (A000566) in which parity of digits alternates. A297646

Heptagonal numbers (A000566) that are semiprimes (A001358). A259676

Smallest product of two distinct primes of the form n·k+1. A194265

Strong pseudoprimes to base 96. A20322

Decompose the multiplicative group of integers modulo N as a product of cyclic groups C_k₁ x C_k₂ x ... x C_{k_m}, where k_i divides k_j for i < j, then a(n) is the smallest N such that the product contains a copy of C_2n. A302099

a(n) is the smallest k such that the p-rank of (Z/kZ)* is 2, where p = prime(n) and (Z/kZ)* is the multiplicative group of integers modulo n. A307434

Heptagonal numbers (A000566) with prime indices (A000040). A346494

Factors k > 0 such that the polynomial k·x² + 1 produces a record of its Hardy-Littlewood constant. A331945

a(n) = 4ⁿ + 5ⁿ + 8ⁿ. A74563