Properties of the Number 74766

Seventy-Four Thousand Seven Hundred Sixty-Six

Basics

Value: 74765 → 74766 → 74767

Parity: even

Prime: No

Previous Prime: 74761

Next Prime: 74771

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 17 × 733

Divisors: 1, 2, 3, 6, 17, 34, 51, 102, 733, 1466

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10010010000001110

Octal: 222016

Duodecimal: 37326

Hexadecimal: 1240e

Square: 5589954756

Square Root: 273.43372140246345

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

Starts of runs of 3 consecutive Niven numbers in base 2 (A049445). A330932

a(n) = ∑_{k=0..floor(n/2)-2} T(n,k) * T(n,k+3), with T given by A026009. A27290

G.f. A(x) satisfies: ∑_n>=0 xⁿ * A(x)^n² = ∑_n>=0 xⁿ / [∏_k=1..n 1 - (2·k-1)*x]. A325453

a(n) = prime(2n) - 2·prime(n) - n. A74766