Properties of the Number 74256

Seventy-Four Thousand Two Hundred Fifty-Six

Basics

Value: 74255 → 74256 → 74257

Parity: even

Prime: No

Previous Prime: 74231

Next Prime: 74257

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ⁴ × 3 × 7 × 13 × 17

Divisors: 1, 2, 3, 4, 6, 7, 8, 12, 13, 14

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10010001000010000

Octal: 221020

Duodecimal: 36B80

Hexadecimal: 12210

Square: 5513953536

Square Root: 272.4995412840176

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

Number of 5-bead necklaces of n colors not allowing reversal, with no adjacent beads having the same color. A208536

Triangle read by rows: T(n,k) is number of paths from (0,0) to (3n,0) that stay in the first quadrant (but may touch the horizontal axis), consisting of steps u=(1,1), d=(1,-2) and have k peaks (i.e., ud's). A108767

The least positive integer that has exactly n different representations as Brazilian number. A284758

a(n) = n*(n+1)*(n*(n+1)+1). A169938

Numbers with prime factorization p·q*r·s*t⁴ (where p, q, r, s, t are distinct primes). A190110

a(n) = 6·binomial(n+1, 6). A253946

Array T(n, k) = (-1)^n+k*(n+k-2)!*(2·n+2·k-2)!/(n!*k!*(2·n-1)!*(2·k-1)!), with T(0, 0) = 1, T(0, 1) = T(1, 0) = -1, read by antidiagonals. A132339

a(n) = ((prime(n))⁵-prime(n))/5. A138426

a(n) is the least positive integer k such that k is a repdigit number in exactly n different bases B, where 1<B<k. A66460

Largest·such that 1/x + 1/y + 1/z = 1/n. A82986