Properties of the Number 6475

Six Thousand Four Hundred Seventy-Five

Basics

Value: 6474 → 6475 → 6476

Parity: odd

Prime: No

Previous Prime: 6473

Next Prime: 6481

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 ² × 7 × 37

Divisors: 1, 5, 7, 25, 35, 37, 175, 185, 259, 925

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100101001011

Octal: 14513

Duodecimal: 38B7

Hexadecimal: 194b

Square: 41925625

Square Root: 80.46738469715541

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

Generalized 22-gonal (or icosidigonal) numbers: m*(10·m - 9) with m = 0, +1, -1, +2, -2, +3, -3, ... A303299

Heinz numbers of integer partitions whose reciprocal sum is 1. A316855

Heinz numbers of aperiodic integer partitions into relatively prime parts whose reciprocal sum is 1. A316888

Heinz numbers of aperiodic integer partitions into relatively prime parts whose reciprocal sum is an integer. A316904

Triangle T(n,k) read by rows = number of partitions of n-set into k blocks with distinct sizes, k = 1..A003056(n). A131632

a(n) = 5·n² + 10·n. A67724

a(n) = (n-1)*(n+4)*(n+6)/6 for n > 1, a(1)=1. A137742

-5-Knödel numbers. A225509

Indices of records in A159918. A230097

a(n) = smallest m such that wt(m²) = n (where wt(i) = A000120(i)), or -1 if no such m exists. A231897