Properties of the Number 7965

Seven Thousand Nine Hundred Sixty-Five

Basics

Value: 7964 → 7965 → 7966

Parity: odd

Prime: No

Previous Prime: 7963

Next Prime: 7993

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 5 × 59

Divisors: 1, 3, 5, 9, 15, 27, 45, 59, 135, 177

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111100011101

Octal: 17435

Duodecimal: 4739

Hexadecimal: 1f1d

Square: 63441225

Square Root: 89.2468486838611

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

10-gonal (or decagonal) numbers: a(n) = n*(4·n-3). A1107

Number of winning length n strings with a 5-symbol alphabet in "same game". A65238

Number of deterministic, completely-defined, initially-connected finite automata with 3 inputs and n unlabeled states. A6690

Starting index of a string of exactly 4 consecutive equal digits in decimal expansion of π. A49520

Non-balanced numbers in A015765. A74868

Matrix cube of triangle A107671. A107676

Pairs of deficient numbers having the same value of σ(k)/k in the order that they are found. A211680

Triangle T(n,k), read by rows: coefficients for numerical integration near a singularity (n >= 0 and 0 <= k <= n). A324124

a(n) = ∑_k=1..n binomial(floor(n/k)+2,3). A364970

Starting index of a string of 4 or more consecutive equal digits in decimal expansion of π. A49516